单词：mercury-vapo(u)r thyratron
单词：mercury-vapo(u)r thyratron 相关文章
Studies that will be released today show that fish, birds and mammals in New England have significant amounts of mercury in their bodies. The studies find the toxic metal in some unexpected habitats and they suggest that power plants in the Midwest a
2009年NPR美国国家公共电台7月
The Mercury Mess By Samantha Levine / 2004, as first appeared in U.S. News nbsp; What are the dangers of mercury in fish? Can the mercury mess be cleaned up? 1 Are these fish safe to eat?” It’s a
彭蒙惠英语
AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER: our friend English teacher Lida Baker joins us from Los Angeles to talk about expressions of sympathy. LIDA BAKER: The reason that this came up for me is that a friend of mine los
词汇大师(Wordmaster)
Indra Krishnamurthy Nooyi is the chairwoman and CEO of PepsiCo, which is the world's fourth-largest food and beverage company. She broke the mould at PepsiCo as all previous CEOs were white American men. Nooyi was fifth on Time magazines 2007 list of
各国名人英文介绍
Sir Timothy Berners-Lee is a British computer scientist who invented the World Wide Web. He received a knighthood from the British Queen for his efforts (so he is called Sir). He is director of W3C, which looks after the Webs development. A leading B
各国名人英文介绍
Writer Dorothy West: Last Living Member of Harlem Renaissance Written by Doreen Baingana (MUSIC) VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with the Special English Program, PEOPLE IN AMERICA. Every week, we tell about a person w
名人轶事
PEOPLE IN AMERICA - May 12, 2002: Dorothy West By Doreen Baingana VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with the Special English Program, PEOPLE IN AMERICA. Every week, we te
People in America
Maggie: Why the long face? Joe: I just heard that I wont be rehired for next year. Maggie: Thats awful! What a rotten thing for the management to do. Joe: Ill be okay, but Monica is losing her job, too. Maggie: Oh no, not Monica, too. Im so sorry to
地道美语播客
1.- I have a cold. 我感冒了。 - I'm sorry to hear that. 听到这消息我很难过。 2. - What's wrong (the matter, the trouble)? You look unhappy. 怎么啦？您看起来脸色很不好。 - I failed the exam. 我考试没通过。 - Don't t
实用英语
Key Sentences（重点句子） 474．We're sorry to learn that you were injured in an accident. 得知你在事故中受伤，我很遗憾。 475．How are you feeling now? 现在感觉怎么样？ 476．We all wish you a quick recovery. 我们都希望
实用英语
Surgeon General Murthy Wants America To Face Up To Addiction play pause stop mute unmute max volume 00:0003:50repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plu
2016年NPR美国国家公共电台11月
By Melinda Smith Washington, DC 15 February 2008 Obesity is becoming a worldwide problem, even in developing countries. But diet drinks and food prepared with sugar substitutes do not seem to help curb people's appetites. Now a new study may provide
VOA常速英语2008年（二月）
新编英语教程第六册unit01_1_Love_Thy_Neighbor
新编大学英语阅读部分
SCIENCE IN THE NEWS - Mercury in Fish / Life on Land / The Goldman Environmental Prize By Broadcast: Tuesday, May 11, 2004 (THEME) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm B
科技之光
The U.S. space agency(代理中介) has released the first ever image taken of the surface of Mercury from a spacecraft orbiting the planet. The black and white image, posted on the NASA website Tuesday, shows a surface pocked with craters of varying
英语新闻
劳模麻辣鸡Nicki Minaj新mv《Va Va Voom》童话来袭 劳模麻辣鸡新mv《Va Va Voom》超清首播!虽说这出MV的速度快到风中凌乱,但MV拍得很梦幻,麻辣鸡百变造型出镜,这么多童话剧情看出了几个? 歌词： Ju
经典英文歌曲
1) go on vacay 去度假 2) take a road trip 自驾游 3) weekend getaway 周末旅行 如果有一场说走就走的旅行，你最想和谁一起上路呢？
OMG美语
The U.S. space probe MESSENGER is poised to enter orbit around Mercury（水银） early Friday, Universal time, capping a nearly seven-year journey to the solar systems innermost planet. Scientists with the U.S. space agency, NASA, hope the orbiting
英语新闻
By Paul Sisco Washington, DC 15 February 2008 Scientists have started analyzing data and images acquired when the Messenger space probe passed within 200 kilometers of the planet Mercury last month. It was the first flyby of the solar system's inner-
VOA常速英语2008年（二月）
Like Mercury, the earth takes a beating from the sun's violent temper. Flares, sun storms and other solar hissy fits can cause electronic mayhem for the satellites that roam above our heads. Fortunately, the earth is protected from this radiation by
自然百科2012年