水轮发电机制动系统

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(265) / 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(256) / 评论(0)

VOA2003（上）-科技导航

VOA标准英语2017--Global Hackathons Turn Ideas Into Entrepreneurial Reality

SAN FRANCISCO Among all the applications (apps) on a mobile phone, there is a good chance a few were created by hackers at a hackathon. A hacker is anyone who can take limited resources or be in any type of constraint, time constraint, resource const

发表于:2018-12-08 / 阅读(238) / 评论(0)

VOA标准英语2017年(二月)

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(208) / 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(207) / 评论(0)

cnn2009年(十一)月

专业术语—中草药成分英汉对照词汇I

I Icariin 淫羊藿甙 Imperatorin 殴前胡素 Indigo 靛蓝 Indirubin 靛玉红 Inokosterone 牛膝甾酮 Insularine 岛藤碱 Insulin 胰岛素 Inulicin 旋覆花内酯 Iosmatrine 异苦参碱 Isoa

发表于:2019-01-03 / 阅读(207) / 评论(0)

医务英语

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(240) / 评论(0)

Scientific American(八)月

美联社新闻一分钟 AP 2016-3-22

1. The Islamic State group is committing genocide against Christians and other minorities in Iraq and Syria. That's the conclusion announced by Secretary of State John Kerry. He met a congressional deadline for decision on the issue on Thursday. 2. A

发表于:2019-01-11 / 阅读(285) / 评论(0)

美联社新闻一分钟2016(三)月

TED演讲:怎样让企业持续运行100年(6)

Fujifilm used its capabilities in chemistry, material science and optics to diversify into a number of areas, 富士胶片运用了自己在化学、材料科学和光学上的造诣，将自己的涉及领域多样化 ranging from cosmetics to pharm

发表于:2019-01-18 / 阅读(196) / 评论(0)

TED演讲科学篇

购物英语对话-Buying a Refrigerator(2)

A: Do you need help with something? B: I need help finding a new refrigerator. A: Do you see anything that you like? B: That Kenmore looks nice. A: That is a wonderful choice. B: What makes is so great? A: It's very inexpensive, and it has all the ap

发表于:2019-01-20 / 阅读(204) / 评论(0)

购物英语对话

购物英语对话-Buying a Refrigerator(1)

A: Can I help you find something? B: I would like to buy a new fridge. A: Is there one in particular that you like? B: I was looking at this Kenmore refrigerator. A: Ah yes, that is a great refrigerator. B: What's so great about it? A: It's both affo

发表于:2019-01-20 / 阅读(253) / 评论(0)

购物英语对话

购物英语对话-Buying a Refrigerator(3)

A: What can I do for you today? B: I need to buy a new refrigerator today. A: Were you looking at a particular refrigerator? B: I like that Kenmore refrigerator. A: This particular refrigerator is a very good choice. B: Tell me about it. A: Not only

发表于:2019-01-20 / 阅读(222) / 评论(0)

购物英语对话

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(208) / 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(189) / 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(263) / 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(254) / 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(267) / 评论(0)

英语美文

夏说英语新闻晨读第274期:油门刹车一个踏板

本期内容： Nissan has launched a new longer-ranged version of its Leaf electric car that can be driven by just one e-Pedal for both accelerating and braking. The new Leaf can travel up to 235 miles between charges under European driving conditio

发表于:2019-02-10 / 阅读(209) / 评论(0)

夏说英语新闻晨读

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(267) / 评论(0)

英语口语

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(186) / 评论(0)

英语新闻

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