汞齐试验

"Let's Go to the Movies!"

发表于:2018-11-28 / 阅读(565) / 评论(0)

疯狂英语2003年

口腔临床英语对话第7期:牙科手术(2)

What is the chance of the pulp dying，Doctor? 医生，牙髓坏死是常见的死吗？ You can't be absolutely sure in these cases，but I'm very confident (sure) that everything will be OK. 你的情况不一定是牙髓坏死，我有信心一切

发表于:2018-12-03 / 阅读(140) / 评论(0)

口腔临床英语对话

VOA慢速英语 2007 0627b

VOICE ONE: Im Steve Ember. VOICE TWO: And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we tell about a program in the nineteen sixties to train women as astronauts. Today they are known as the Mercury Thirteen. They never reached

发表于:2018-12-07 / 阅读(133) / 评论(0)

VOA慢速英语2007年（六）月

《俞敏洪GRE红宝书》朗读-a5

allure v．引诱，n．诱惑力 allurement n．诱惑物 alluvial adj．冲积的 ally n．盟国，支持者 almond n．杏树，杏仁 alteration n．改变，变更 altercation n．争吵，争论

发表于:2018-12-08 / 阅读(144) / 评论(0)

GRE英语

PEOPLE IN AMERICA - Alan Shepard

PEOPLE IN AMERICA -October 27, 2002: Alan Shepard By Avi Arditti VOICE ONE: I'm Shirley Griffith VOICE TWO: And I'm Steve Ember with the VOA Special English program, People in America. Each week we te

发表于:2018-12-15 / 阅读(170) / 评论(0)

People in America

VOA慢速英语-People in America - Alan Shepard, 1923-1998: The Fir

VOICE ONE: I'm Shirley Griffith. VOICE TWO: Alan Shepard waiting for launch into space on May 5, 1961 And I'm Steve Ember with the VOA Special English program People in America. Each week we tell about someone important in the history of the United

发表于:2018-12-15 / 阅读(145) / 评论(0)

VOA慢速英语2008年（八）月

2005年NPR美国国家公共电台三月-Studies Find High Mercury Levels in the W

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

发表于:2018-12-17 / 阅读(252) / 评论(0)

2009年NPR美国国家公共电台7月

彭蒙惠英语：The Mercury Mess

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

发表于:2018-12-19 / 阅读(173) / 评论(0)

彭蒙惠英语

60秒科学:Mercury Fillings Seem Safer over Time

Mercury Fillings Seem Safer over Time A study in the journal Chemical Research in Toxicology finds that mercury on the surface of dental fillings slowly turns to an inert sulfide compound, which should keep the mercury from harming the nervous system

发表于:2019-01-02 / 阅读(217) / 评论(0)

60秒科学

SSS 2008-05-13

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Robin Williams thought that the platypus was cobbled together by an inebriated deity: Lets take a beaver. Lets put on a ducks bill. Now we know how weird the platypus is

发表于:2019-01-08 / 阅读(200) / 评论(0)

Scientific American(五)月

VOA慢速英语2009-EXPLORATIONS - Project Mercury: The US Space

VOICE ONE: EXPLORATIONS -- a program in Special English by the Voice of America. (SOUND) That announcement was made May fifth, nineteen sixty-one. It was the first manned flight of project Mercury. Today, Tony Riggs and Larry West tell about the beg

发表于:2019-01-11 / 阅读(197) / 评论(0)

VOA慢速英语2009年（六）月

VOA慢速英语2013 How the 'Mercury 13' Led the Way for Women in the US Space Program

How the 'Mercury 13' Led the Way for Women in the US Space Program Im Steve Ember. And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we tell about a program in the nineteen sixties to train women as astronauts. Today they are known

发表于:2019-01-12 / 阅读(135) / 评论(0)

2013年VOA慢速英语(五)月

VOA慢速英语2013 EXPLORATIONS - How the 'Mercury 13' Led the Way for Women in the US Space Program

EXPLORATIONS - How the 'Mercury 13' Led the Way for Women in the US Space Program Im Steve Ember. And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we tell about a program in the nineteen sixties to train women as astronauts. Today

发表于:2019-01-12 / 阅读(146) / 评论(0)

2013年VOA慢速英语(四)月

VOA慢速英语20060719b

EXPLORATIONS - Project Mercury: Soviet Successes Push U.S. to Build a Space Program From the Ground UpBy Marilyn Christiano and Frank Beardsley Broadcast: Wednesday, July 19, 2006 VOICE ONE: Explorati

发表于:2019-01-30 / 阅读(167) / 评论(0)

2006年慢速英语（七）月

SCIENCE IN THE NEWS - Mercury in Fish / Life on Land / The G

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

发表于:2019-01-30 / 阅读(291) / 评论(0)

科技之光

VOA常速英语2008年-Mercury Seen in New Light

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-

发表于:2019-02-06 / 阅读(220) / 评论(0)

VOA常速英语2008年（二月）

英国发明牙齿治疗新技术

LONDON, June 16 (Xinhua) -- Drillings and fillings at the dentist's are always dreadful and make tooth decay treatment very unpleasant. But British scientists have developed a new approach of fixing tooth decay, which could get rid of all the drillin

发表于:2019-02-18 / 阅读(176) / 评论(0)

英语新闻

英语听书《海底两万里》第171期第12章一切都用电(4)

Sodium? 钠吗？ Yes, sir. Mixed with mercury, it forms an amalgam that takes the place of zinc in Bunsen cells. 是的，先生。钠跟汞混合，成为一种合金，代替本生电池中所需要的锌。 The mercury is never depleted. Only the

发表于:2019-02-25 / 阅读(227) / 评论(0)

《海底两万里》中英双语有声读物

解析GRE考试八个难词

GRE词汇对考生们的要求是比较高的，并且一些疑难的词汇会为考生们造成困扰，小编为考生们汇总了GRE考试八个难词，并做了相关解析。 abhor 憎恶，厌恶：恐惧或憎恨;痛恨 (ab-away-远离，hor-

发表于:2019-02-25 / 阅读(216) / 评论(0)

GRE英语

口腔临床英语对话第13期:根尖切除术(1)

Part six 第六章 Apicoectomy 根尖切除术 Excuse me. Is the Doctor in? 请问，医生在吗？ Good afternoon, sir. The Doctor is here today. Do you have an appointment? 下午好，先生。医生今天不上班。你预约了没有？ No, I d

发表于:2019-02-27 / 阅读(224) / 评论(0)

口腔临床英语对话

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