[化] 奇异原子化学(包括正子素化学、介子素化学、介子原子化学等)

A Century of Memories (1940-1949) On the first Sunday in December 1941, Americans were doing what Americans did on any normal Sunday.

发表于:2018-11-28 / 阅读(239) / 评论(0) 分类 疯狂英语2003年

By Steve Mort Homestead, Florida 20 September 2007 Wildlife experts are accusing the U.S. government of failing to adequately control the imports of exotic pets sold online. A Cornell University study shows that these animals cost the U.S. economy $1

发表于:2018-12-16 / 阅读(153) / 评论(0) 分类 2007年VOA标准英语(九月)

雅思听力场景词汇:化学词汇 在雅思听力考试场景中,化学相关的场景的词汇较为生涩,平时生活中可能也运用得比较少,以下的词汇供大家参考喔。 molecule 分子 particle 粒子 ion 离子 particle

发表于:2018-12-19 / 阅读(192) / 评论(0) 分类 雅思英语

第65期:Exotic shop X:Anything else,sir? X:先生,还要别的东西吗? Y:Thats ail for now.How much do I owe you? Y:目前这些就够了,我要付你多少钱呢? X:That'll be fifty-five dollars and twenty cents. X:一共55.2元。 Y:Cant y

发表于:2018-12-26 / 阅读(152) / 评论(0) 分类 出国旅游口语一本通

Mak / Croatia speaker No, I would like to have, you know, pets, like dogs ... well, yeah, dogs. No, not cats. Dogs, because they're just I think friendlier, and I'm used to them since I have two dogs, and they call them German Schnauzers. Sarah / Eng

发表于:2018-12-28 / 阅读(159) / 评论(0) 分类 一起闲话英语-English Chitchat

As It Is - Remember Your Chemistry Classes? An international team of researchers recently reported creation of a new element that is 40 percent heavier than lead. The researchers successfully developed what they are calling Element Number 117 at a la

发表于:2019-01-03 / 阅读(178) / 评论(0) 分类 2014年VOA慢速英语(八)月

We have multiplied our possessions, but reduced our values. We talk too much, love too little and lie too often. We've learned how to make a living, but not a life; we've added years to life, not life to years. We have taller buildings, but shorter t

发表于:2019-01-11 / 阅读(150) / 评论(0) 分类 阅读空间

Having the opportunity to take on a diverse range of classes such as economics and chemistry along with her music studies is the perfect combination for Diane. Marsha James | Washington DC 10 August 2010 Oberlin Conservatory of Music Student Diane Ly

发表于:2019-01-13 / 阅读(168) / 评论(0) 分类 VOA标准英语2010年(八)月

Larry星期五提前下班,去学校接李华。今天我们要学两个常用语:a pretty penny和sure-fire. LL: (Bike bells ring) Hi, Li Hua, I'm right over here! LH: Larry, 你怎么骑着自行车就跑来了,不是说好开你的新车来接

发表于:2019-01-15 / 阅读(126) / 评论(0) 分类 美国之音《流行美语》

英语中表示倍数减少的表达方法(一)a is n times as small (light,slow,)as b. a is n times smaller (lighter, slower,) than b. 以上两句均应译为:a的大小(重量,速度,)是b的1/n[或a比b小(轻,慢,)(n-1)/n]. e.g

发表于:2019-01-17 / 阅读(156) / 评论(0) 分类 英语口译

This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz

发表于:2019-01-17 / 阅读(190) / 评论(0) 分类 2016年Scientific American(十)月

The structure of atoms and the significance of protons will come in a following chapter, so for the moment all that is necessary is to appreciate the organizing principle: hydrogen has just one proton, and so it has an atomic number of one and comes

发表于:2019-01-29 / 阅读(136) / 评论(0) 分类 万物简史

AGRICULTURE REPORT - Officials Suspect Exotic Newcastle Disease Killed Chickens in Brazil By Mario Ritter Broadcast: Tuesday, June 07, 2005 I'm Gwen Outen with the VOA Special English Agriculture Repo

发表于:2019-01-30 / 阅读(128) / 评论(0) 分类 农业与发展

By Barry Wood Fossil Rim, Texas 26 November 2007 To see some of the world's most impressive wild animals, many people travel to Africa and go on a safari. But people in Texas can find some of these exotic animals close to home, not just in zoos, but

发表于:2019-01-31 / 阅读(117) / 评论(0) 分类 VOA常速英语2007年(十一月)

By Tom Rivers London 07 October 2009 Ada Yonath (file photo) Two Americans and one Israeli share this year's Nobel Prize in Chemistry for their work showing how the DNA code is translated into life itself. Americans Venkatraman Ramakrishnan and Thom

发表于:2019-02-03 / 阅读(161) / 评论(0) 分类 VOA标准英语2009年(十月)

By Kevin Billinghurst Stockholm 10 October 2007 The 2007 Nobel Prize for Chemistry has been awarded to Gerhard Ertl of the Max Planck Society in Berlin. Kevin Billinghurst has the story from Stockholm. The Royal Swedish Academy of Sciences honors Pr

发表于:2019-02-04 / 阅读(164) / 评论(0) 分类 2007年VOA常速英语(十月)

俗话说:一母生九子,九子各不同。这句话在我邻居家孩子的身上体现得淋漓尽致。大女儿心灵手巧,做什么像什么;而二女儿却刚好相反,总是笨手笨脚。All thumbs就用来形容她这种笨手笨脚

发表于:2019-02-06 / 阅读(132) / 评论(0) 分类 实用英语

A Japanese and a pair of American scientists captured this year's Nobel chemistry prize for discovering a glowing green protein in jellyfish that can be used to spot the beginning of diseases like cancer. Lisa Bryant has more on the prestigious awar

发表于:2019-02-06 / 阅读(146) / 评论(0) 分类 VOA标准英语2008年(十月)

Ukrainian born actress Mila Kunis who starred in Hollywood film Forgetting Sarah Marshall comes from the country whose capital city Kiev was named as having the world's best looking women. Travelers Digest's Top Ten Cities With The Most Beautiful Wom

发表于:2019-02-18 / 阅读(130) / 评论(0) 分类 英语美文

1.心事重重 some thing weighs heavily on ones mind The boss is quite down these days. He seems to have something weighing heavily on his mind. 老板这几天沉默寡言,看起来好像是心事重重的 2.苦苦哀求 press ones suit She press

发表于:2019-02-19 / 阅读(146) / 评论(0) 分类 英语口语
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