单词：tetrammine copper sulfate
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By Crystal Park Washington, DC 28 February 2006 watch eWaste report Constant innovations and breakthroughs in technology are helping the world. But there's a downside. The amount of electronic waste,
2006年VOA标准英语（二月）
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
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Varden paused, and put away a good mouthful of whisky. Well? cried several breathless voices. Well, said Varden, Im not ashamed to say I went out of that house like an old buck-rabbit that hears the man with the gun. There was a car standing just out
英文短篇小说
Irene was angry at her boyfriend Rory. She was trying to make a business deal. Rory was not a business man. But she needed Rorys help because she was a woman and business men, she knew, routinely lied to women. All you have to do is tell Mr. Lo that
365个英语简短小故事
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
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。
《海底两万里》中英双语有声读物