乙二醇迅速地被它氧化,生成草酸和羟基醋酸.Glycol is oxidized rapidly by it to oxalic and glycolic acids.结果表明,聚乙二醇缩水甘油醚对丝胶蛋白具有明显的交联作用.The result showed that polyethylene glycol diglycidyl ether cross linked sericin obviously.用氚标记雌二醇结合法测定瘤内的ER...
He was too much of a maverick ever to hold high office.他太特立独行，永远不可能做高官。You’re a maverick and you’ll try anything.你是个爱自行其是的人, 样样事情都要尝试一下。You're a maverick and you'll try anything.你是个爱自行其是的人,样样事情都要尝试一下.Erin seems...
It's been 200 years since the passage of the Bill of Rights.《人权法案》通过已经200年了。Nintendo hopes to price the add-on modem at less than $200.任天堂希望将该外挂调制解调器的价格定在200美元以下。Three attempts on the British 200-metre record also e...