[医] 尖牙, 犬齿

And lastly, here's Destin, from Smarter Every Day, 最后是《每天聪明一点点》的德斯丁, talking about the conservation of angular momentum, and, since it's YouTube, cats: 为我们讲述动量守恒,由于是在YouTube上,所以他用

发表于:2018-12-30 / 阅读(331) / 评论(0) 分类 TED演讲科技篇

By Bill Gasperini Moscow 01 April 2006 This image made available by NASA-TV shows the Soyuz capsule, center, docked with the international space station The three-man crew of a Russian Soyuz spacecraf

发表于:2019-01-13 / 阅读(336) / 评论(0) 分类 2006年VOA标准英语(四月)

Dionysus Dionysus was the god of wine.He was the son of Zeus by Semele. When his mother was burnt to death in the glory of Zeus .He was still a helpless infant.His father trusted his upbringing to some mountain fairy maidens .They tookthe greatest ca

发表于:2019-01-17 / 阅读(240) / 评论(0) 分类 英语美文

Itsremarkable how we are able to build up this picture of whats going on millionsof miles away in the solar system. Its one of the joys of science really, justalmost like a detective picking up on those tiny clues to tell a bigger story. Sothat the b

发表于:2019-01-23 / 阅读(280) / 评论(0) 分类 探索与发现2014年

Science and Technology Animal behaviour Sexual appetite 科技 动物行为 欲壑难填 Being a male spider is even more dangerous than previously thought 雄性蜘蛛遭遇的险境远远超乎人们之前的想象 FOR male spiders, the equivalent

发表于:2019-01-26 / 阅读(275) / 评论(0) 分类 经济学人科技系列

今天我们要学的词是untested。 Untested, 没有经过测试的,没有经过考验的。最近,香港和印度等亚洲地区陆续发现禽流感。为了预防禽流感对人类的威胁, Several human vaccines for bird flu have been d

发表于:2019-02-03 / 阅读(202) / 评论(0) 分类 英语单词荟萃
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