如果你不等导游带领而进入山洞, 你就得自担风险.If you go into the cave without waiting for the guide, you do it at your own risk.许多基团可通过向得自胶的重氮盐作亲核取代而加以导入.Many groups can be added by nucleophilic substitution on a diazonium salt.人体连续不断地产生热, 这种...
They're resentful that outsiders presume to meddle in their affairs.他们对外人擅自干预他们的事务非常愤慨。At first I felt very resentful and angry about losing my job.起初我对丢掉工作感到非常怨恨和恼怒。He turned away in sullen, resentful silence.他闷闷不乐...
If such materials became generally available to the optics industry the payoffs from such a breakthrough would be enormous.如果这些材料能够普遍用于光学产业，那么这一突破带来的收益将非常巨大。This part of the subject is called physical optics.这部分内容叫做物理光学....