n.下降者；下降物；[计] 下行字母
I didn't expect him to descend to personal abuse. 我没料到他会堕落到对我进行人身攻击的地步。
I never expected that you would descend to cheating on exams. 我万万没有想到你竟会在考试时作弊。
The particles that descend in this fashion. 辐射尘以这种方式落下的放射性粒子
Some folks seem to have descend from the chimpanzee much later than others. 有些人，看来像是比其他人晚了好久才从黑猩猩分支而传下来的后裔。
The hawk descend in a vertical stoop on its quarry. 鹰向它的猎物直冲而下。
The briefing won't take very long, and then will descend to particulars. 概况介绍不会太长的，他接下去就要谈具体问题了。
