话题1情况
1出生be born in
2修理工 major in
3毕业 毕业graduate fromafter graduation
4事 be engaged ingo in for
5着 ……天赋have a gift for be gifted I have a talent for
6 受良教育 welleducated
7 中国国籍(of) Chinese nationality
8 电话号码telephone number
9 心思 put one’s heart into
10 集中精力concentrate on focus one’s attention on
11 致力 献身devote oneself to sthdoing sth be devoted to…
12 积极事……be active in sth
13 ……做研究do research on
14 ……cares little about
15 工作深夜 work until midnight
16 获硕士学位getgain a master’s degree
17 获第名 win the first prize (in…)
18 获成功 achieve great success
19 ……录取考入be admitted to
20 认……be regarded asbe considered asbe considered to be
21 作……铭记be remembered as
22 (…… )排名第rank No1 (in) rank the first (in)
23 ……获奖 receive many awards for
24 某物奖赏某reward sb with sth
25 着决心with great determination
话题2家庭朋友周围
1 五岁男孩a boy aged five a fiveyearold boy
2 十 三十岁时 in his teensthirties
3 五岁时 at the age of five
4 某童年时 in one’s childhood
5 着 ……生活liveleadhave a…life
6 谋生earn one’s living make a living
7 顾look aftertake care ofattend tocare for
8 养育培养bring up
9 某求严格be strict with sb
10 ……引起 result from
11 导致result in lead to contribute to bring about give rise to cause
12 力做某事be able to do sth have the ability to do sth
13 女子 a woman of great ability
14 ……方面熟练 be skilledskillful in
15 ……方面验be experienced in
16 获 ……称号 be given the title of
17 获金 银牌 win a goldsilver medal
18 获诺贝尔奖 winreceive the Nobel Prize
19 全世界关注get the world’s attention
20 计名利 care little for money and fame
21 留学深造 go abroad for further studies
22 找做某事方法 find a way to do sth
23 带送某某 takesend sbto…
24 情禁做某事 can’t help doing sth
25 树立榜样set us a good example set a good example to us
话题3周围环境
1 教学楼前面(许树)(There are lots of trees) in front of the teaching building
2 教室前面(块黑板)(There is a blackboard) in the front of the classroom
3 位座城市南部lie in the south of the city
4 距城南 15英里处15 miles away to the south of the city
5 坐落广州西部be situatedlocated in the west of Guangzhou
6 山脚at the foot of the mountain
7 山顶at the top of the hill
8 中国第二岛屿the second largest island in China
9 占面积cover an area of
10 三千年历史havewith a history of over 3000 years
11 ……口have a population of
12 ……组成be made up of consist of
13 盛产be richabundant in
14 南面on its south lies…
15 ……著名 be famouswellknown for
16 三路公汽车take a No3 bus take bus No3
17 容纳500客can holdaccommodate up to 500 guests
18 乍初起 at first sight
19 见 catch sight of
20 呈现眼前 come into sight
21 见 见 in sightout of sight
22 宿舍楼dormitory building
23 忽略 (ignore)lose sight of
24 象征 stand for peace
25 代表学on behalf of my classmates represent my classmates
话题4日常活动
1 整理床铺make the bed
2 刷牙 brush one’s teeth
3 洗冷水澡havetake a cold bath
4 洗淋浴 take a shower
5 负债 清债务 in debtout of debt
6.直深夜deep into the night
7.保持失衡 keeplose ones balance
8.……残忍 be cruel to sb
9.承认错误admit one’s mistake
10.听说hear ofabout
11.作出努力 make joint efforts
12.忙 be busyoccupied with
13.惯 be usedaccustomed to
14.某电话phonetelephone sb call ring sb up give sb a call
15.挂断电话等等hold on
16.挂断电话 ring off
17.回复电话 ring back
18.时 out of date
19.允许某做某事 allowpermit sbto do sth
20.号召某做某事 call on sbto do sth
21.鼓励某做某事encourage sb to do sth
22.强迫某做某事 force sbto do sth
23.提醒某做某事某想起某事remind sb to do sth remind sb of sth
24.阻止某做某事keeppreventstop sbfrom doing sth
25 提高民生活水improve the living standards of the people
话题5学校生活
1预功课prepare forpreview lessons
2课have lessons
3专心be absorbed in
4牢记 背诵 learn… by heart keep…in mind
5复功课 reviewgo over the lesson
6 努力学work hard at
7 力努力
8 充分利 dotry one’s best make full use of take advantage of
9 ……方面取进步 make progress in…
10 赶某catch up with sb keep up with sb
11 参加入学考试take an entrance examination
12 考试作弊 cheat in the exam
13 通考试格passfail the examination
14 (数学)满分 get full marks (for maths)
15 获奖学金 gain scholarship
16 获成绩get good grades
17 课放学after classafter school
18 算出解决work out
19 解决问题 solve the problem
20 坚持做某事 insist on doing sth
21 高度赞扬某speak highly of sb
22 某事表扬表praise sb for sth
23 尊敬老师家长 respect teachers and parents
24 迟缺席 be late forbe absent from
25 遵守违反学校规章制度obeybreak the school rules and regulations
话题6兴趣爱
1 ……感兴趣be interested intake an interest inshow a great interest inhave a taste for
2 培养……兴趣develop an interest in
3 ……积极积极参加 be active in
4 ……着迷 be crazy about
5 ……感奇 be curious about sth
6 ……感厌烦be tired of
7 引起某兴趣holdattract one’s interest
8 爱体育运动love sportslike sportsbe fond of sportsgo in for sportstake pleasure in sports
9 喜欢唱歌跳舞likeenjoy singing and dancing
10 喜欢流行音乐 enjoy popular music
11 感高兴 感振奋 cheer up
12 参加参join in take part in participate in
13 挑出辨出 pick out
14 尝试做某事 attempttry to do sth
15 某空闲时候 in one’s sparefree time
16 读说read novels
17 网 surf the internet
18 网聊天 chat online
19 集邮collect stamps
20 做运动 dohave sports
21 弹奏乐器 play musical instrument
22 野营 go camping
23 牌 play cards
24 起 ……更喜欢……prefer to…rather than…
25 喜欢爱 my favorite hobby
话题7情感
1 令某开心吃惊失to one’s delightjoysurprisedisappointment
2 某生气 be angryannoyed with sb
3 ……担心be anxiousworried about
4 ……感惊讶 be astonishedsurprised at sth
5 某感失 be disappointed at sb
6 ……感满足be pleasedsatisfiedcontent with
7 ……感抱歉 be sorry for…
8 ……豪 be proud oftake pride in
9 满腔怒火 be filled with anger10 急做某事 be anxious to do sth
11 高兴做某事 be delighted to do
12 感动流泪 be touchedmoved to tears
13 吓死 be scared to death
14 突然哭笑burst into tearslaughter burst out crying laughing
15 情禁做某事 cannot help doing
16 担心关心care about
17 投诉埋怨complain about
18 渴某做某事 long for sbto do sth
19 盼做某事 look forward to doing sth
20 期盼希做某事 expectwish to do sth
21 做某事强烈愿have a strong desire to do sth
22 ……乐观态度have an optimistic attitude towards…
23 面带笑容with a smile on one’s face
24 ……留印象 make an impression on sb
25 失信心建立信 lose heartbuild confidence
话题8际关系
1 撒谎 tell a lie
2 帮助某做某事 help sb with sthhelp sb do sth
3 帮助某摆脱困境 help sb out
4 遵守诺言失言keep one’s wordpromise break one’s wordpromise
5 相互学 learn from each other
6 某交朋友 make friends with sb
7 彼信trust each other
8 关心be concerned about care for show concern for
9 ……交流communicate with
10交流思想信息 exchange ideasinformation
11 爱喜欢fall in love with
12 ……取保持联系 getkeep in touch with
13 ……相处进展 get alongon with sb
14 点have a lot in common
15 ……影响have an effect influence impact on
16 某建立亲密友谊form a close friendship with sb
17 增进友谊 promotestrengthen friendship
18 增进解 promote understanding
19 忍受容忍 put up with
20 珍惜某情谊 treasure sb’s friendship
21 ……合作起工作team up with cooperate with
22 甘苦 share joys and sorrows
23 某分享 share sth with sb
24 保护……受……伤害 protect…from…
25 某帮助鼓励支持with sb’s help encouragement support of sb
话题9计划愿
1做某事 in order to do sth
2学生会the Students’ Union
3制订计划 make a plan
4设立目标set goals set a goal
5实现目标achieve one’s aim reachattain one’s goal realize the goal
6课外活动afterschoolextracurricular activities
7算做 meanplanintend to do
8发表演说 deliver a speech
9野餐烧烤 have a picnicbarbecue
10海边郊游have an outing at the seashore
11举行运动会hold a sports meet
12举行毕业典礼hold the graduation ceremony
13通知 make an announcement
14 ……做准备 make preparations for get ready for
15迎接挑战 meet the challenge
16 做义务劳动do voluntary labor
17 做兼职工作 take parttime jobs
18 参加社会实践 take part in the social practice
19 想做某事feel like doing sth would like to do sth want to do sth
20 定决心做某事be determined to do sthmake up one’s mind to do sth
21 宁愿()做某事 would rather (not) do sth
22 报名参加赛sign up for a matchcontestcompetition
23 开阔眼界 broaden one’s horizons
24 三思行 Think twice before you do
25 伟抱负造伟Great hopes make great man
话题10节假日活动
1 春节 the spring festival
2 端午节 the dragon boat festival
3 中秋节the middle autumn festival
4 (某节)(某月某日) fall on
5 纪念 in memory of
6 纪念……表示敬意in honour of
7 三天假期 a threeday vacation
8 追溯 date back to date from
9 遵守风俗 observe the customs
10 应该做某事 be supposed to do sth
11化装扮装扮成美猴王dress updress up as Monkey King
12彩色灯装饰圣诞树decorate a Christmas tree with coloured lights
13度假 go on holidaytake a vacation
14庆祝节日 celebrate the festival
15祝贺某 congratulate (sb) on
16 放烟花 set off fireworks
17 表演节目put on performances
18 走亲访友visit relatives and friends
19 孩压岁钱 give children lucky money
20 开某玩笑 play a joke on sbmake fun of sb
21某表示尊敬 show respect for sb
22举行龙舟赛hold dragon boat races
23吃粽子eat rice dumplings
24观升国旗watch the national flag go up
25某玩开心 have fun with sb
话题11购 物
1免费 free of charge
2购物go shopping do some shopping
3逛商场超市 go to the supermarket go to the mall
4购物中心 shopping centre5旧货店 secondhand stores
6 折 discount (make a discount)
7 网订购cyber ordering
8 网购物online shopping
9 假商品fake products
10 质量糟糕优异()(of) poor qualityhigh quality
11糟糕服务 poor service
12团购 buy in group
13包装包起 wrap up
14现金支付 pay in cash
15通信卡支付 pay by credit card
16售空卖完be sold out
17避免受骗 avoid being cheated
18某砍价 bargain with sb
19甩卖on sale
20高效方便 effective and convenient
21售货员shop assistant
22升降 go upgo down
23降低价格 bring down the price
24花少钱买某物spend money on sth pay money for sth
25合计 300元add up to300 yuan amount to 300 yuan
话题12饮 食
1高纤维低脂肪be richhigh in fiber be low in fat
2挑食 be particular about food
3节食 bego on diet
4削减脂肪 cut down body fat
5身体害 do harm to one’s health
6 吃垃圾食品绿色食品eat junk food eat green food
7 吃新鲜蔬菜水果eat more fresh fruits and vegetables
8 吃零食吃快餐eat snacks eat fast food
9 食物中毒 food poisoning
10 保持均衡健康饮食keep a balanced diet keep a healthy diet
11 保持健康 keep healthy keep fit
12 保持身材苗条 keep slim
13 减肥增加体重 lose weightput on weight
14 ……失胃口 lose appetite for
15 精力充沛 make us energetic
16 吃早餐 skip breakfast
17 挨饿 suffer from starvation or hunger
18 餐桌礼仪table manners
19 点菜take an order
20 吸收营养 take in nutrition
21 外卖食品takeaway food
22 进行规律运动 take regular exercise
23 注重食品质量attach importance to food quality
24 更加注意饮食pay more attention to your diet
25 养成健康饮食惯develop healthy eating habits
话题13健 康
1感发烧catch a cold have a fever
2患流感have the flu get flu
3流鼻涕have a running nose
4某部位疼痛 have a pain in…
5感觉虚弱恶心 feel weaksick
6 感紧张沮丧 feel stresseddepressed
7 患重病 suffer from a serious disease
8 进行体检have a body checkphysical examination
9 量体温 take one’s temperature
10 吃药 take the medicine
11 某做手术 have an operation on sb
12 实施急救perform first aid
13 吸毒成瘾be addicted to drugs
14 染……惯 get into the habit of
15 暴露辐射环境 be exposed to radiation
16 身心健康mental and physical health
17 呼吸新鲜空气breathe fresh air
18 放松 relax oneself
19 减少 释放压力 reducerelease pressure
20 养成生活惯 form good living habits
21勇敢面困难 face difficulties with courage
22身体差 in goodpoor health
23熬夜学深夜stay up (all night) study late into the night
24医疗保险护理 medical insurance medical care
25焦虑负面影响 the negative effects of anxiety
话题14天 气
1晴转阴阴转雨sunny then cloudycloudy then rainy
2强阵雨 heavy showers
3阳光灿烂天 a sunny day
4天气预报 weather forecastreport
5降零八度dropfall to five degree below zero
6 非常寒冷炎热 freezing coldburning hot
7 遇场雨 be caught in a heavy rain
8 倾盆雨 rains cats and dogspouring rain
9 带雨伞件雨衣take an umbrella or raincoat
10 (房屋)倒塌 (buildings) fall down
11(水电)切断(water and power supplies) be cut off
12延续长达月last as long as over a month
13飓风中毁坏 be destroyed in the hurricane
14冰雪覆盖 be covered with ice and snow
15洪水暴风雨中遇难(people) be killed in the floodstorm
16 造成3死亡2失踪cause 13 deaths and 5 people missing
17 200受伤失踪with more than 200 people injuredmissing
18 某物成废墟sth be in ruins fall into ruins
19 变家become homeless
20 造成巨损失济损失cause great damageeconomic losses
21派出救援队 send out rescue teams
22某捐款donatecontribute money to sb
23重建家园rebuild one’s homeland
24恢复正常 return to normal
25防汛抗旱 flood control and drought relief
话题15文娱体育
1卡通物cartoon characters
2爱情片战争片科幻片love movies war movies science fiction films
3民族爵士流行摇滚古典音乐folkjazzpoprockclassical music
4乐器musical instrument
5电视节目连续剧 TV programsseries
6奥斯卡奖Oscar Awards
7举办音乐会give a concert
8某高兴cheer sb up delight sb
9……鼓掌applaud for
10喜剧作家导演制片a comedy writer director and producer
11体育项目 sports event
12运动员教练competitorplayerathlete chief coach
13决赛半决赛 finals semifinals
14办奥运会host the Olympics
15踢进球 score a goal
16 憋住气hold one’s breath
17 深吸口气take a deep breath
18 进行身体锻炼take physical exercise
19 争夺金牌compete for a gold medal
20 破项纪录 beatbreak a record
21创新世界纪录 set a new world record
22获冠军 win the championship
23赢枚金牌银牌铜牌win a goldsilvercopper medal
24赢观众掌声win the applause of the audience
25奥运会建造新体育场build a new stadium for the Olympic Games
话题16旅游交通
1旅行社travel agency
2旅游景点 tourist attraction scenic spots
3风景名胜a place of interest
4周游世界travel round the world
5太空旅游 space tourism
6 度假be on holidayvacation
7 旅游go onmaketake a tripjourney
8 入住(旅馆)退房 check inout
9 森林沙漠探险(索) explore a foresta desert
10 订张飞机票 book an airline ticket
11东西装箱包pack sth up
12某送行see sb off
13(解)文化understand the local culture
14欣赏然美景enjoyappreciate the beauties of nature
15拓宽知识面增长知识broaden one’s knowledge increase one’s knowledge
16 更解外面世界know more about the outside world
17 促进友谊理解promote friendship and understanding
18 骑车骑马 ride a bikehorse
19 坐公车士飞机 take a bustaxiplane
20 扣安全带 fasten safety belt
21遇交通堵塞 be stuck in traffic jams
22交通事traffic accidents
23交通规 traffic rulesregulations
24走斑马线 walk on the zebra crossing
25等绿灯 wait for the green light
话题17语言学
1培养英语兴趣develop one’s interest in English
2记单词 how to remember English words
3扩某词汇量enlarge one’s vocabulary
4查词典refer to the dictionarylook up a word in the dictionary
5参加英语演讲赛take part in the English speech contest
6 写英语日记keep a diary in English
7 养成阅读惯 form the habit of reading
8 天练英语口语practise spokenoral English every day
9 常英语use English as often as possible
10 培养英语思考惯develop the habit of thinking in English
11胆信说英语speak English bravely and confidently
12 提高写作力技巧improve one’s writing abilityskills
13 (通实践)学会法语 pick up French
14 流利表达意思 express oneself fluently
15 强调语法学 focus on learning grammar
16 效学方法 effective learning methods
17 良学态度a good attitude to learning
18 精通英语 have a good command of English
19 更解两种文化have a better understanding of the two different cultures
20 学英语提建议give us some advice on how to learn English
21 提高学效率 improve the learning efficiency
22 作国际交流种工具as a tool of international communication
23 消误会clear the air smooth away the misunderstanding
24 觉记单词难I feel it difficult to learn words by heart
25 AB两者区 感迷惑
I am confused about the difference between A and B
话题18 然
1植树砍伐树木 plant trees cut down trees
2违背然规律 go against nature
3保护濒灭绝动物杀害protect the endangered animals from being killed
4处危险中 (be) in danger of extinctionbecoming extinctdying out
5严惩捕猎者 punish the hunters severely
6 保持破坏生态衡keepbreak ecological balance keepdamage the balance of nature
7 创造良生态环境create a pleasant ecological environment
8 动物谐相处live in harmony with animals
9 致力保护野生动物devote oneself to protecting wildlife
10 唤醒保护野生动植物意识arouse people’s awareness of wildlife protection
11采取效措施保护珍稀动物take effective measures to protect rare animals
12(震等)袭击(某)(earthquake etc) hitstrike (some place)
13走 be washed away bridges
14全部焚毁 burn to the ground
15整城市成废墟leave the whole city in ruins
16 困员 the trapped people
17 困废墟中 be trapped in the ruins
18 面种困难 (be) faced with all kinds of difficulties
19 克服困难 overcome difficulties
20受灾区 stricken districtarea
21 震灾民the earthquake victims
22 拯救受害 rescue victimssufferer
23 呼吁捐赠call on people to make donations
24 ……伸出援助手hold outgive a helping hand to sb
25 灾难中恢复recover from the disaster
话题19世界环境
1 改善生活 improve people’s life
2 改善居住条件improve our living conditions
3 促进济发展promote the economic development
4 消耗资源代价at the pricecost of resource exhausting
5 河里排放未处理废水pour waste water into rivers without being treated
6排放烟雾毒气体send out smoke and poisonous gases into the air
7水噪音空气白色污染waternoiseairwhite pollution
8污染环境空气 pollute the environmentair
9全球温度升cause the global temperature to go up
10全球变暖 global warming
11温室效应greenhouse effect
12异常气候abnormal climate
13倡导绿色生活advocate green life
14提高生活质量 improve the quality of life
15提倡低碳生活advocate a lowcarbon lifestyle
16生态友产品 ecofriendly products
17环保产品 environmentfriendly products
18生产绿色产品 go green
19开发生资源develop renewable resources
20采取行动 take action
21改善环境 improve the environment
22雨春笋般涌现 spring up like mushrooms
23发出恶臭 give off a bad smell
24污染作斗争fight against pollution
25意识环保重性be aware of the importance of protecting Environment
话题20科普知识现代技术
1信息技术IT (information technology)
2网浏览信息surf the Internet
3鼠标点击 click on sth
4网络载信息download information from the Internet
5成立研究中心 set up a research center
6 进行项研究 carry out a research
7 载宇宙飞船manned spaceship
8 发射造卫星 launch a satellite
9 实现某梦想realize one’s dream
10 吸引某注意catchattractdraw sb’s attention
11种样高科技产品a variety of hightech products
12先进科学技术advanced science and technology
13改变某生活change one’s life
14提高类生活质量improve the quality of human life
15赶世界先进水catch up with the advanced world levels
16影响差make a great difference
17生命发展make it possible for life to develop
18have access tobe accessible to
19某做某事enable sb to do sth
20某方面起重作play an important role in
21 代 take the place of
22 ……关联 be relatedlinked to
23 益……受益benefit from
24 实现成现实 come true
25 着科技迅速发展with the rapid development of science and Technology
话题21热点话题
1 保护生存环境 protect living environment
2 保护环境protectpreserve the environment
3 保护生态环境 preserveprotect the ecological environment
4 提高环保意识raise people’s awareness of environment protection
5 爱护树木花草care for trees and plants
6骑行车班 ride bicycles to work
7课垃圾回收利recycle textbookstrash
8坐公交通take public transport
9正确处理垃圾 deal with rubbish properly
10节约源水 save energywater
11扔垃圾吐痰 don’t litterspit everywhere
12分类垃圾 sort the garbage
13禁止滥塑料袋ban abusing plastic bags
14禁止公场合吸烟ban smoking in public places
15减少污染 reduce pollution
16控制口增长 control the population growth
17降低青少年犯罪lower the rate of teenage crime
18智手机 smart phone
19深化改革deepen reform
20 ……考虑进 take sth into consideration
21科学发展观the Scientific Outlook on Development
22走中国特色社会义道路follow the path of socialism with Chinese Characteristics
23法忽视事实we cannot ignore the fact that
24否认there is no denying the fact that
25毫疑问there is no doubt that undoubtedly
话题22历史理
1文物 cultural objectsrelics
2古迹历史遗迹historical site places of historic interest
3保护文化遗产protect cultural relicsheritage
4灿烂历史文化the brilliant history and culture
5解民族文化learn about our national culture
6民族豪感a sense of national pride
7废奴隶制abolish slavery
8代代传be passed downon form generation to generation
9起源 had its origins in originated fromwith
10描述成 be described as
11 公认be acknowledged as
12 认be considered (asto be)
13 说be said to be
14 位剪纸师 a master of paper cutting
15 开始存产生come into beingcome into existence
16 掌权台come into power
17 具悠久历史国家a country with a long history
18 文明历史著称be famous for its history of civilization
19 文明古国a country with an ancient civilization
20 丰富然资源旅游资源be rich in natural and tourism resources
21学中国历史study Chinese history
22带领某参观某show sb around
23唐The Tang Dynasty
24五四运动the May Fourth Movement
25前年the previous year
话题23社 会
1弱势群体disadvantaged groups
2稳步增长risegrow steadilythe steady growth (of…)
3做事 do a good deed4愿做某事 volunteer to do sth
5 ……负责 be responsible for
6工作验 working experience
7积极参加社会实践take an active part in the social practice
8……影响make a difference to
9认……理然 take it for granted
10某分享 (……) share (…) with sb
11某事功某owe sthto sb
12满足需求 satisfymeet the needs (of…)
13改革开放 since reform and openingup
14出结 reachcome todraw a conclusion
15劝戒烟 advise him to give up smoking
16 做……困难 have difficulty (in) doing…
17 遗余力做某事spare no efforts to do sth
18 ……引起 arise from result from
19 (想法注意)想某想(某意)occur to sb
20 碰巧做某事 happen to do sth it happens that
21社会作贡献make contributions to the society
22调整适应新生活adjust oneself to the new life
23根表格曲线图中数字according to the figures given by the tablegraph
24着济快速发展with the rapid developmentgrowth of economy
25普遍认It is commonly believedrecognized that…
话题24文学艺术
1 相声a cross talk
2 京剧Beijing Opera
3 (书)出版 come out
4 根……基础be based on
5 ……(事发生)背景 be set in…
6……中担角演 star in
7作……著称be known as
8……中受欢迎be popular in
9代文学 contemporary literature
10民间文学 folk literature
11传统民间艺术traditional folk art
12艺术展览an art exhibitiongallery
13喜欢画家 my favorite painter
14写许剧短篇说write many dramasshort stories
15欣赏诗歌 appreciate poetry
16写三篇散文 write three essays
17事文学创作 engage in literary creation
18说改编电影adapt novels for movies
19诺贝尔文学奖gain the Nobel Prize in Literature
20没灵感without inspiration
21部现实义说幅写实画a realistic noveldrawing
22抽象派艺术画家a abstract artpainter
23生动描述 a vivid description
24位杰出艺术家an outstanding artista distinguished artist
25莫言部代表作one of Mo Yan’s masterpieces
文档香网(httpswwwxiangdangnet)户传
《香当网》用户分享的内容,不代表《香当网》观点或立场,请自行判断内容的真实性和可靠性!
该内容是文档的文本内容,更好的格式请下载文档