音标：['bækfɔr'meiʃən] ；

n. 【语言学】；逆构词，逆成词，反成(指脱落一词的词缀以构成新词，如typewrite是typewriter的逆构词)；逆序构词法，反成法

英语入门对话：06 Asking for Information

1. What is this? 2. What is that? 3. What's this? 4. What's that? 5. What are these? 6. What are those? 7. Where is Mr. King? 8. Where is Ms. Knight? 9. Where's Johnny? 10. When's the movie? 11. When's lunch? 12. How is the food? This is a table. Tha

发表于:2018-12-02 / 阅读(232) / 评论(0)

英语词组对话

足球英语词汇

football, soccer 足球 field, pitch 足球场 midfield 中场 kick-off circle 中圈 half-way line 中线 football, eleven 足球队 football player 足球运动员 goalkeeper, goaltender, goalie 守门员 back 后卫 left 左后卫 right back 右后卫

发表于:2018-12-19 / 阅读(141) / 评论(0)

实用英语

SSS 2008-02-29

This is Scientific American's 60-Second Science. I'm Karen Hopkin, this'll just take a minute. Next time you are shoveling snow off your walk, don't blame the weatherman, blame bacteria. Because an international team of scientists has found that micr

发表于:2018-12-24 / 阅读(216) / 评论(0)

Scientific American(二)月

SSS 2008-09-17

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? We live in a nice neighborhood. Of the galaxy, that is. The sun is about halfway toward the outer edge of the Milky Way. But the sun may have migrated vast distances t

发表于:2018-12-24 / 阅读(159) / 评论(0)

Scientific American(九)月

趣味青春英语电台第63期:Many moons ago

Idiom: Many moons ago ( long time ago ) Hit the book: Monument Site Weigh Formation Statue Crop Alien Flatten Tornado

发表于:2018-12-27 / 阅读(157) / 评论(0)

趣味青春英语

大学英语四级词汇 032

forest n.森林 forever ad.永远 forge v.打(铁等)；锻造；伪造 forget vt.遗忘；忘却，忘掉；编造(谎言) vi.忘记 forgive vt.原谅；免除(债务等) fork n.叉；分岔 form n.形式；类型；格式 v.形成 formal a.正式的，

发表于:2018-12-30 / 阅读(141) / 评论(0)

大学英语四级词汇拼读版

注意街头食品的卫生

92 注意街头食品的卫生 DEVELOPMENT REPORT September 10, 2001: Street Food SafetyBy George Grow （Start at 1'01

发表于:2019-01-02 / 阅读(143) / 评论(0)

科技之光

Information society

Information society 信息社会 Gary: [from Covent Garden in London] Ive chosen one of the hottest days of theyear to take a short stroll from our BBC studios to nearby Covent Garden. Imvisiting Hakim Kahtan, whos manager of Global Tele-Call. This part

发表于:2019-01-07 / 阅读(168) / 评论(0)

英语讨论

At the Information Desk问讯处 2

Key Sentences（重点句子） 86．Madam．What can I do for you？夫人。我能为您做些什么？ 87．I'm looking for a man whose name is John．我在寻找一位男士，他的名字叫约翰。 88．Could you tell me his room number，

发表于:2019-01-30 / 阅读(167) / 评论(0)

实用英语

英语词汇分类：足球

football, soccer, Association football 足球 field, pitch 足球场 midfied 中场 kick-off circle 中圈 half-way line 中线 football, eleven 足球队 football player 足球运动员 goalkeeper, go

发表于:2019-01-30 / 阅读(156) / 评论(0)

英文语法词汇

VOA慢速英语20061017a

AGRICULTURE REPORT - Farmers Organize to Try to Control Potato SupplyBy Jerilyn Watson Broadcast: Tuesday, October 17, 2006 This is the VOA Special English Agriculture Report. Sorting potatos Potatoes

发表于:2019-01-30 / 阅读(135) / 评论(0)

2006年慢速英语（十）月

Medical Information on the Internet

73 国际互联网上的医药信息 DATE=7-23-01 TITLE=DEVELOPMENT REPORT - Medical Information on the Internet BYLINE=Nancy Steinbach (Start at 01'0

发表于:2019-01-30 / 阅读(139) / 评论(0)

科技之光

Iran urges for quick formation of Iraqi government

TEHRAN, Oct. 18 (Xinhua) -- Iranian（伊朗） leaders on Monday urged for the quick formation of the Iraqi government, saying that will serve the interests of the Iraqi people and enable them to enjoy stability, security, unity and prosperity（繁荣

发表于:2019-02-06 / 阅读(182) / 评论(0)

英语新闻

US Lawmakers Seek Information on Benghazi Attack

CAPITOL HILL U.S. lawmakers have received the first post-election briefings on the deadly September attack on the U.S. consulate in Benghazi, Libya. Senators are not revealing specific information provided to them by administration officials at the c

发表于:2019-02-08 / 阅读(158) / 评论(0)

英语新闻

生活英语：先有鸡后有蛋

生活英语：先有鸡后有蛋 What came first, the chicken or the egg? Scientists in Britain think it was probably the chicken, after using new computer technology to try and crack the age-old riddle. Researchers at the Universities of Sheffield

发表于:2019-02-14 / 阅读(128) / 评论(0)

实用英语

体育运动分类词汇表：Football

Words of Sports: Football 足球 football, soccer, Association football 足球 field, pitch 足球场 midfied 中场 kick-off circle 中圈 half-way line 中线 football, eleven 足球队 football player 足球运动员 goalkeeper, goaltender, goalie

发表于:2019-02-14 / 阅读(135) / 评论(0)

实用英语

艾伦脱口秀第109期:美国将军

It feels like all three of you have been living under there. Something that. 感觉你们三个一直住在那底下 Melanie, if the stalactites grows from the ceiling of the cave, 梅拉妮如果说钟乳石是从洞穴的顶上长下来的 what f

发表于:2019-02-15 / 阅读(132) / 评论(0)

艾伦脱口秀

At the Information Desk问讯处 1

Key Sentences（重点句子） 72．Is there any place in the hotel where we can amuse our－selves？旅馆里有娱乐场所吗？ 73．If you want to take a walk， you can go to the garden．如果您想散步，可以去花园。 74．There i

发表于:2019-02-17 / 阅读(173) / 评论(0)

实用英语

2001春季高考英语—第一卷III(D)

D You are what you eat. This saying has provided scientists with clues(线索)about the diet of hominids- our early relatives of 3 million years ago. Studying carbon atoms(碳原子)locked up in tooth

发表于:2019-02-26 / 阅读(235) / 评论(0)

实用英语

赖世雄进阶英语词汇3500 Unit110

resistance n.抗拒；抵抗力 The policy suffered strong resistance from the working class. 该政策遭受劳动阶级强力反弹。 Your body's resistance becomes low if you stay up late frequently. 如果你经常熬夜，身体的抵抗力就会

发表于:2019-03-17 / 阅读(401) / 评论(0)

赖世雄进阶英语词汇3500

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学英语单词

Bacillus haemorrhagicus nephritidis