单词：tetracene
单词：tetracene 相关文章
AS IT IS 2016-08-31 Have We Entered a New Geological Period? 我们已经进入一个新的地质年代了吗？ This is Whats Trending Today 现在是《正在发生》节目。 For almost 12,000 years, Planet Earth has been in what is called the Ho
2016年VOA慢速英语(八)月
This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang
Scientific American(一)月
T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗
医务英语
The 11,700-year-old Holocene epoch is over. We're now living in the Anthropocene epoch. 长达11700年的全新世结束啦。我们如今正生活在人类世纪元。 编者注：全新世（Holocene Epoch），是最年轻的地质年代，它与更
实用英语
By Kari Barber Dakar 02 December 2006 This year marks 40 years since the sport of surfing was introduced in Senegal. The country first gained the attention of the surf world with the 1966 surfing documentary The Endless Summer. In the following deca
2006年VOA标准英语（十二月）
By Challiss McDonough Beirut 20 July 2006 The Shi'ite-dominated regions of southern Lebanon and south Beirut have been heavily bombed by Israeli jets. On Thursday afternoon, VOA Correspondent Challiss McDonough joined other journalists on a tour of
2006年VOA标准英语（七月）
US Officials Criticize Film's Torture Scenes Zero Dark Thirty tells the behind-the-scenes story of the hunt for Osama Bin Laden. It shows intelligence techniques used to find the Al Qaida leader, including the enhanced interrogations which many call
VOA标准英语2013年(一月)
Aviation investigators have arrived in the town of Clarence Center, in western New York State, to sift through the wreckage of a commuter plane that crashed into a house late Thursday evening, bursting into flames and killing all 49 persons aboard a
VOA标准英语2009年(二月)
The JaneDear Girls are one of the most talked about new acts in Country music. Wildflower was the first single from their self-titled debut album. The song climbed to Number 15 to become the highest-charting track by a new Country act in 2010. The Ja
VOA标准英语2011年(三月)
The geology of the planet 地球的地质情况 Welcome to the Anthropocene 欢迎来到人类纪 Humans have changed the way the world works. Now they have to change the way they think about it, too 人类改变了世界运行方式，现在，人类不
经济学人综合
These are called love tents but they're not what you think. 虽被称为爱的帐篷，但是它们可与你所想不同。 Chinese colleges have come up with an unusual way to help freshmen settle in. 中国的大学别出心裁，以一种特殊的方
英语新闻
10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur
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