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Callum: Hello, Im Callum Robertson and welcome to this very special edition of Entertainment. Im backstage at the International Learning English Awards, the most prestigious awards of their kind and they are just about to announce the award for the
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
Work hard on the following problems to see if you can answer them in new ways! 1. What is the difference between here and there? 2. What are the strongest days of the week? 3. Why did man put wheels on his rocking chair? 4. Why is the letter R like C
Todd: So, Lucinda, I met your boyfriend, Kwame, he's a nice guy. Lucinda: Yeah, he is. Todd: How long have you two been going out? Lucinda: Oh, gosh, I think around about two years, two, or two and a half years. Todd: Wow, that's a pretty long relati
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