音标：[haidrə'dʒeneitə] ；

n. 氢化器

疯狂情景会话真功夫 8.Asking Favors

A: Is there any chance of my borrowing your typewriter ? [00:01.46]Ａ：能不能借用一下你的打字机呢？ [00:02.93]B:For how long ? [00:03.47]Ｂ：要借多久？ [00:04.02]A: Until the end of the week. [00:04.88]Ａ：借到周末。 [00

发表于:2018-11-28 / 阅读(153) / 评论(0)

零距离李阳疯狂英语口语

世界上最伟大的演讲--SHALL WE CHOOSE DEATH?我们该选择死亡吗？

SHALL WE CHOOSE DEATH?我们该选择死亡吗？ I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of

发表于:2018-12-07 / 阅读(70) / 评论(0)

世界上最伟大的演讲

太阳科普第6期

The composition of the sun lies in this bar code. 这个条码说明了太阳的组成 All the thin lines are caused by tiny amounts of complex elements 这些细细的线条，都是微量复杂元素造成的 metals like iron and magnesium. 好比说

发表于:2018-12-07 / 阅读(112) / 评论(0)

太阳科普

Uses Hydrogen1 as Fuel2

Broadcast: February 14, 2003 By George Grow This is the VOA Special English Environment Report. President Bush has offered a plan to speed development of technology that uses hydrogen as fuel. His goa

发表于:2018-12-07 / 阅读(104) / 评论(0)

VOA2003（上）-科技导航

我们该选择死亡吗？

I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indians and Pakistanis

发表于:2018-12-12 / 阅读(80) / 评论(0)

英语演讲

CNN 2009-11-25

I couldn't get over this mess. The federal government is confirming what Joan Glickman of Pompano Beach, Florida suspected all along. Tainted drywall from China is giving off a harmful gas that's turning her air-conditioning wiring black, causing it

发表于:2018-12-20 / 阅读(78) / 评论(0)

cnn2009年(十一)月

纯正英语一分钟-Doctors

Doctors are cool. They spend all their day helping people and saving lives. There cant be many better jobs in the world. I wanted to be a doctor when I was a kid but I was no good at science. I think doctors are among the most important people in soc

发表于:2018-12-26 / 阅读(73) / 评论(0)

纯正英语一分钟

SSS 2008-08-01

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

发表于:2019-01-04 / 阅读(93) / 评论(0)

Scientific American(八)月

地道英语对话：Neighbors and Help(3)

A: Hi, I just moved in next door and have a few questions. B: Hello, and welcome to our building. I would be happy to help you with your questions. A: You all seem like a very pleasant group of tenants. B: We all try and help each other out when we c

发表于:2019-01-20 / 阅读(76) / 评论(0)

地道英语对话-租房

地道英语对话：Neighbors and Help(2)

A: Hi, I am your new neighbor and would like to ask you about a few things. B: Hi, nice to meet you. Sure, ask me anything you need to know. A: So far, everyone that Ive met seems so helpful. B: We all seem to get along pretty well. A: Have you lived

发表于:2019-01-20 / 阅读(93) / 评论(0)

地道英语对话-租房

地道英语对话：Neighbors and Help(1)

A: Hi, I am your new neighbor and was wondering if I could ask you a question or two. B: Hi! I would be happy to answer any questions you might have. A: Everyone here seems very friendly. B: Yes, many of us have lived here a long time and know each o

发表于:2019-01-20 / 阅读(97) / 评论(0)

地道英语对话-租房

原版英语对话1000个:199 Colors

Todd: OK, Norm, we're going to talk about colors. Norm: Mm-hm. Todd: OK. What is blue? Norm: Well, the sky is blue. Todd: OK. And what is green? Norm: Green? My green canoe. Todd: Your green canoe. Norm: Yes! Todd: Really! OK. That's cool! What is re

发表于:2019-01-21 / 阅读(83) / 评论(0)

原版英语对话1000个

纽约车展上电动汽车来势汹汹

NEW YORK Plug in your car, then unplug, and drive away. More and more consumers are doing just that. At the 2014 New York Auto Show many automakers unveiled electric or hybrid vehicle to address the growing global appetite for environment-friendly ca

发表于:2019-01-30 / 阅读(82) / 评论(0)

英语新闻

联合国考虑对朝鲜新制裁

SEOUL/WASHINGTONThe U.N. Security Council said Wednesday that it was working to craft new sanctions against North Korea after its latest nuclear test, while the United States and other world powers voiced skepticism about Pyongyang's claim that the u

发表于:2019-02-04 / 阅读(42) / 评论(0)

英语新闻

托福考试：TOEFL模拟试题

Questions 12-20 The elements other than hydrogen and helium exist In such small quantities that it is accurate to say that the universe somewhat more than 25 percent helium by weight and somewhat less than 25 percent hydrogen. Astronomers have measur

发表于:2019-02-05 / 阅读(103) / 评论(0)

托福英语

雅思单词前缀整理

PREFIX 1.a-:of;on;intensive;negative,not,without;ad-;ab-. 2.ab-:away from,off. 3. ad-:to;at;for. 4. aer(o)- :relating to air . 5.al-:all. 6.ambi-:on both sides,around. 7.amphi-:on both sides,around. 8.an-:negative,not,without. 9.ana-:upon,up,on. 10.a

发表于:2019-02-06 / 阅读(123) / 评论(0)

雅思英语

我们该选择死亡吗

December 30, 1954 I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indi

发表于:2019-02-09 / 阅读(125) / 评论(0)

英语美文

各种花样的风筝怎么说？

9月16日是墨西哥馆日，墨西哥馆五颜六色的风筝森林吸引了不少人的眼球，你知道小小的风筝里有什么大学问吗？其实风筝也有很多种分类哦，一起来看看吧。说到kite这个单词，这也许是我们

发表于:2019-02-18 / 阅读(130) / 评论(0)

英语口语

英文原版对话1000个:704 Neighbors

Todd: Hello. Phil: Hello. Good morning. Todd: Hi. I don't think we've met. My name's Todd. Phil: Oh, nice to meet you. My name's Phil. I'm from England. Todd: Oh, hey Phil, I'm from the states. I've noticed you in the building. How long have you live

发表于:2019-02-18 / 阅读(86) / 评论(0)

原版英语对话1000个

朝鲜宣布成功进行首次氢弹试验

North Korea conducted a 'successful' hydrogen bomb test, Pyongyang has confirmed. The thermonuclear weapon triggered a massive 5.1 magnitude earthquake when it exploded at 10am local time on Wednesday. 平壤方面已经证实，朝鲜成功的进行了

发表于:2019-02-18 / 阅读(67) / 评论(0)

英语新闻

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学英语单词

alkylated aromatic hydrocarbon

altitude height above see level

Bairstow iteration method