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This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Chemistry goes to the University of Delawares Richard Heck, Purdues Ei-ichi Negishi and Hokkaido Universitys Akira Suzuki for their work in develop

发表于:2019-01-08 / 阅读(132) / 评论(0) 分类 Scientific American(十)月

Protamine sulfate is a drug that reverses the anticoagulant effects of liver compounds such as heparin. Protamine is extracted from the sperm of salmon and other species of fish, and then made into a protamine sulfate injection which is a necessary d

发表于:2019-01-19 / 阅读(123) / 评论(0) 分类 世界各地新闻集锦

Palladium雅典娜的神像PalladiumWhen Ilus had first built his new seat,the city of Troy, he prayed Zeus to show some sign of blessing for it. His prayer was heard,and a wooden image of Pallas- A-thena fell from heaven to within the walls of the c

发表于:2019-02-02 / 阅读(124) / 评论(0) 分类 英语美文

We keep pumping carbon dioxide into the atmosphere and the earth keeps warming. Climate scientists have predicted that the consequences of unchecked warming could result in everything from catastrophic flooding to larger and more deadly hurricanes. S

发表于:2019-02-23 / 阅读(122) / 评论(0) 分类 英语时差8,16

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(207) / 评论(0) 分类 《海底两万里》中英双语有声读物

1. odyssey /ˈɔdɪsi:/ -- any long series of wanderings or travels Odyssey是有关奥德修斯在特洛伊战争后十年流浪返乡的史诗。《奥德赛》是古希腊最重要的两部史诗之一(另一部是《伊利亚特》),相传为

发表于:2019-02-27 / 阅读(214) / 评论(0) 分类 突破英文词汇
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