单词：ethylene tetrachlorides
(ethylene tetrachloride 的复数)
单词：ethylene tetrachlorides 相关文章
Agriculture Report - Friends With Benefits, in the Plant World This is the VOA Special English Agriculture Report. Companion planting is the idea that some kinds of plants can help each other grow. Plants that are compatible together generally have s
2012年VOA慢速英语(二)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
This is the VOA Special English Agriculture Report. Companion planting is the idea that when some crops are planted together, they help each other grow. These compatible plants generally have similar needs for nutrients, soil and moisture. Advice fo
VOA慢速英语2009年（八）月
Agriculture Report - Friends With Benefits, in the Plant World 农业报道 - 植物世界的互惠互利 From VOA Learning English, This is the Agriculture Report in Special English. 这里是美国之音慢速英语农业报道。 Companion plantin
2013年VOA慢速英语(三)月
Chemical Oracle 神秘的阿波罗神庙 If youre planning a trip to Greece in the future, youll want to schedule a visit to the temple of Apollo at Delphi. This famous temple was the home to the Pythia, a specially chosen and trained woman who, acco
英语听力文摘 English Digest
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
万物简史
If you're planning a trip to Greece in the future, you'll want to schedule a visit to the temple of Apollo at Delphi. This famous temple was the home of the Pythia, a specially chosen and trained woman who according to legend channeled the voice and
英语时差8，16