单词:Tetrapturus
单词:Tetrapturus 相关文章
This discovery had given paleontologists an opportunity to look inside the skull of this rare dinosaur. 这个发现给了古生物学家们仔细观察这种稀有恐龙颅内情况的机会。 Dr. Lawrence Witmer of Ohio University leads one of the
[00:00.00]Unit 5 Dinosaurs [00:06.48]2.Listen.Read. [00:19.12]Bill:Fossils are boring!I wanted to go to the zoo. [00:25.16]Dean:Bur fossils are how we know about dinosaurs. [00:29.81]They walked the Earth for 150 million years! [00:35.46]Bill:Were an
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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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