n. 【核物理学】铬—51

美国英语听力80篇1 Lesson02

[00:09.95]Six weeks ago, the movie Erin Brockovich opened the United States. [00:16.95]So far, it has earned at least 100,000,000 dollars. [00:22.47]It tells a true story about a young woman who helped people in a California town gain money from an e

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标准美语发音的13个秘诀 CD4

新概念英语第二册lesson 51 Reward for virtue

Lesson 51:Reward for virtue 对美德的奖赏 First listen and then answer the question. 听录音，然后回答以下问题。 Why did Hugh's diet not work? My friend, Hugh, has always been fat, but things got so bad recently that he decided to go

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新概念英语第二册

美国有线新闻 CNN 水中何种元素引发癌症?

Could an element commonly found in Americans` tap water caused cancer? A nonprofit environmental group is sounding the alarm about something called chromium-6. The U.S. government says high levels of it in the air can be carcinogenic, meaning they ca

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CNN美国有线新闻2017年2月

【电影预告片填空】生存者

Help! There's someone hurt! - What are you hearing, Sullivan? - According to first responders it was a bomb. - How many? - Four of yours and five passersby. - Have anyone claimed responsibility? - We found this. - Do you think she's dead? - We can't

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英文电影预告片填空

2007-08-04, Dogfights: P-51 Mustang P-51野马战斗机

In 1940, North American Aviation designed the legendary P-51 Mustang in response to the British need for a high-performance fighter aircraft. The Mustang featured the most advanced laminar flow wing and a ducted cooling radiator positioned under the

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国家地理2007年

美丽英文51

Laughter is a key to happiness Laughter is a key to happiness. Yep, in fact, laughter is the most important aspect to being happy -- no Prozac required! We often forget that laughter is a very essence of our spirit. Laughter relates to communication

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美丽英文

牛津Oxford English Time 5 CD2 51

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牛津Oxford English Time 5 CD2

牛津Oxford English Time 6 CD2 51

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牛津Oxford English Time 6 CD2

VOA慢速英语2013 AS IT IS 2013-05-23 Pollution Forces Residents from California Town

AS IT IS 2013-05-23 Pollution Forces Residents from California Town Hello. Im Jim Tedder in Washington. Welcome to a special edition of As It Is. Seventeen years ago, an American energy company paid hundreds of millions of dollars to settle legal cla

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2013年VOA慢速英语(六)月

pbs高端访谈:危险化学品六价铬污染美国饮水系统

JEFFREY BROWN:And now to part two of our investigative look at the safety of America's drinking water. Science correspondent Miles O'Brien reports on the toxic chemical made famous in the movie Erin Brockovich, its potentially harmful effect on human

发表于:2019-01-27 / 阅读(166) / 评论(0)

PBS访谈环境系列

pbs高端访谈:保护公民免受污染饮水的威胁

GWEN IFILL: Now NewsHour science correspondent Miles O'Brien begins a two-part look at America's drinking water, and the regulatory system that is supposed to guarantee its safety. His report is the result of a partnership with the Center for Public

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PBS访谈环境系列

牛津Oxford English Time 2 CD2 Track 51

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牛津Oxford English Time 2 CD2

牛津Oxford English Time 1 CD2 Track 51

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牛津Oxford English Time 1 CD2

牛津Oxford English Time 5 CD1 Track 51

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牛津Oxford English Time 5 CD1

牛津Oxford English Time 4 CD1 51

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牛津Oxford English Time 4 CD1

牛津Oxford English Time 4 CD2 51

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牛津Oxford English Time 4 CD2

牛津Oxford English Time 3 CD1 Track 51

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牛津Oxford English Time 3 CD1

牛津Oxford English Time 3 CD2 51

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牛津Oxford English Time 3 CD2

牛津Oxford English Time 6 CD1 51

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牛津Oxford English Time 6 CD1

英语听力文摘 English Digest 196、不锈钢的秘密

Why Stainless Steel Does Not Rust But Other Metals Do? 不锈钢（Stainless Steel）指耐空气、蒸汽、水等弱腐蚀介质和酸、碱、盐等化学浸蚀性介质腐蚀的钢，又称不锈耐酸钢。实际应用中，常将耐弱腐蚀介质

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英语听力文摘 English Digest

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学英语单词

accessory tympanal membrane

adenotome

analog switching circuit

annular scleritis

anodized natural aluminium colour

apach

Asian-dollar market

asymptotically normal and unbiased estimator

autonomous okrug

auxiliary plane of projection

belt hold