单词：tuaminesulfate
单词：tuaminesulfate 相关文章
World Car-Free Day is a very important holiday on the environmental calendar. Every September 22, governments, green groups and ordinary citizens highlight the damage cars are doing to the Earth. The day is a reminder that we do not need to rely so m
英语课程学习计划和讲义
Grammar Girl here. Today's topic is how to format questions. You think you already know this, don't you? I wonder if you're right. Everybody knows how write a plain vanilla question: What's new? They're called direct questions. But there are trickier
英语语法 Grammar Girl
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
世界各地新闻集锦
MADIRD, May 7 (Xinhua) -- No. 8 seed Li Na enjoyed a comfortable passage into the last 16 of the Mutua Madrid Open on Monday after defeating Spaniard Silvia Soler Espinosa in straight sets 6-3, 6-1. Li Na showed the power of her serve and looked stro
英语新闻
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