The oxygen reacts vigorously with the impurity in the iron.氧气与铁中的杂质发生剧烈的化学反应.This impurity must be purged away after death.这种污秽应该在死后加以净化.The impurity of supposedly pure subcellular fractions is a constant threat to the p...
computer consumables such as disks and printer cartridges如磁盘、打印机墨盒之类的电脑耗材a daisy wheel printer菊瓣字轮打印机Click on the printer icon with the mouse.用鼠标点击打印机图标。...