车厢里有一只吉他琴匣.In'the truck box was a guitar case.我旁边有几打三明治和一匣糖果.Beside me were dozens of sandwiches and a box of candy.在火柴 匣 上一擦就得了.Strike it on the match - box ....
在脱氨作用中, 分子 含氨基 的部分被移去.In deamination, the nitrogen - containing amino portion of the molecules is removed.叠氮还原是向有机分子中引入氨基的重要方法.Reduction of azides is an important method to introduce amino group to organic molecules.采购产品...