| 释义 | 
		 bull·hornBrE /ˈbʊlhɔːn/NAmE /ˈbʊlhɔːrn/ (NAmE)  (BrE loud·hail·er)  nounan electronic device, shaped like a horn, with a  microphone  at one end, that you speak into in order to make your voice louder so that it can be heard at a distance 电子喇叭;扩音器  ➡  compare megaphone  |