n.听筒;
例句:
No doubt you'll have noticed that, in recent years, referees have taken to wearing earpieces, and wondered what comes through them.
无疑你已经注意到了最近几年裁判们都戴上了耳机,不知道他们都在听些什么。
Without an earpiece, I cradled the phone between neck and ear so that I could use both hands at the sink and continue to speak.
由于没有耳塞,我把电话机夹在脖子和耳朵之间,这样我就能一边腾出双手在水槽里干活,一边继续讲话。
I begin moving forward, as per the instructions in my earpiece, and gently give myself some lift until only my knees are submerged.
按照耳机中所听到的指令,我开始前进,一点一点地往上提升自己,直至只有自己的膝盖没在水中为止。