胺能参加与卤代烷的亲核取代反应.Amines can engage in nucleophile substitution reaction with alky.这个反应称为Hofman消除反应, 它很像卤代烷的脱卤化氢反应.This reaction, called the Hofman elimination, is quite analogous to the dehydrohalogenation of an alkyl hal...
芬兰语和瑞典语均为官方语言。Finnish and Swedish are the official languages.语言: 芬兰语和瑞典语均为官方语言.Language: Finnish and Swedish are the official languages.他们能讲芬兰语. 他也能.They can speak Finnish. So can he....
瞄准:把 ( 枪枝 ) 的准星与目标对齐.To align ( a gun, for example ) with a target.他等待着目标和十字准星的重合.He waited for the coincidence of the target and the cross hairs.准星对正你丑陋的脸颊, 晚安吧,宝贝!Crosshairs on your ugly face, it � � s time to say good...
He was still sitting huddled like a cornered animal.他还像一头困兽一样蜷缩着坐在那儿。This restaurant has cornered the Madrid market for specialist paellas.这家餐馆垄断了马德里的特色肉菜饭市场。Even the weakest animal will bite back when it is cornered.要是被...