单词：molecular chain length
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本讲为 2006 年下半年新的教学内容，请对照语法、教材、练习册听录音！ Text B Return of the Chain Gang 重点词语 deny v./ n. 否定，否认；拒绝接受，拒绝给与
自考英语（二）60讲
What if you could wave your phone over a piece of fish at a store and immediately see a record of its path through the supply chain? 如果你在商店里把手机在一块鱼肉上面晃一下，就能立即看到它在供应链上的路径记录，结
2017年VOA慢速英语(十一)月
This is Whats Trending Today Recently, the operators of a bookstore in Southampton, England made an unusual appeal to people in the community. They sought help moving books and other things to the stores new location, a short distance down the street
2018年VOA慢速英语(十一)月
AS IT IS 2014-05-06 Looking for Vaccines Outside the Cold Chain Hello, and welcome back. I'm Jim Tedder in Washington. Today we will help you improve your American English while giving you some new information about medicines. This is the kind of thi
2014年VOA慢速英语(五)月
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because
Scientific American(四)月
说一口流利的英语，从简单的单词开始。 听听，读读，背背，今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 arm [ B:m ] He received a call to arms
每日攻克5词
By now, most people have heard of bitcoin. Bitcoin is a virtual currency that has had a huge rise in value during 2017. Bitcoin however is just one of many cryptocurrencies. A cryptocurrency is a kind of money that does not exist in the form of bills
2018年VOA慢速英语(一)月
The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.
Scientific American(十)月
今天我们要学的词是 chain。Chain 除了大家都知道的，有锁链的意思，还有连锁店的意思。The American drug store Walgreens became the first retail store chain to expand its services to include diagnosing and treating patie
英语单词荟萃
COPENHAGEN, Feb. 18 (Xinhua) -- German supermarket chain Lidl in Denmark has found traces of horse meat in a pasta dish, the supermarket annouced late on Monday. A pasta dish called Combino Penne Bolognese from the manufacturer Copack has been found
英语新闻
Up in arms At arm's length 在美国人讲话时，或从书刊报纸上，你经常可以听到或见到一些由手臂，就是英文里的arms这个字组成的成语或俗语。有些习惯用语从
美国习惯用语
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
2016年Scientific American(十)月
Once upon a time, there was a poor fisherman who always dreamed of becoming rich. He wished to become a millionaire, and so did his wife. 很久以前，有个贫穷的渔夫，他总是梦想着能够发大财，希望自己能够成为百万富翁，
英文励志文摘精选
The Great Wall has fascinated William Lindesay since he first saw it on a map. In 1987, the Liverpool native made his first trek along 2,470 kilometers of the landmark, and he has called China home ever since. 从第一次在地图上看到长城开始
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你是不是曾经对美剧主角们炫酷的口语赞叹不已？有没有想过自己有一天也可以像他们美国人一样说一口地道的英语？有理想就什么时候都不算晚，咱们今天就从这几个酷劲十足的句子开始吧
实用英语
Listen to the wind blow Watch the sun rise Run in the shadows Damn your love Damn your lies And if You dont love me now You will never love me again I can still hear you saying You would never break the chain. Listen to the wind blow Down comes the n
The Voice 美国好声音
这首歌于1961年发布的时候很受欢迎。连同他的和声组合Raelettes，查尔斯唱出了想离开一位不想让他离开的女性的感觉。这首歌在流行歌曲列表上达到了第九位，在RB单曲榜上排行第一位，同时
英乐时空
[00:39.12]height 高度 [00:43.33]length 长度 [00:47.42]mathematician 数学家 [00:52.35]be required to do something 被要求做某事 [00:58.34]measuring tape 卷尺 [01:04.45]A team of mathematicians were required [01:06.76]to measure the heigh
英语笑话（MP3+文本）
Tedahang is one of the major cold-chain logistics companies located in the Tianjin Port Area. It provides refrigerated storage, domestic shipping and container yard services, mainly for imported meat and aquatic products, and will expand its services
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