单词:nulli-tetrasomics
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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
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
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This is the VOA Special English Education Report. 这里是美国之音慢速英语教育报道。 The Southeast Asian English Olympics begin Monday in Jakarta. High school and university students will compete to demonstrate their English skills at t
Somali Islamic scholars have condemned Islamist insurgents for launching an attack on pro-government forces and African Union peacekeepers Tuesday in Mogadishu. The fighting is the heaviest of its kind since Ethiopian troops withdrew from Somalia la
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