| 词汇 | loudhailer |
| 释义 | loud·hail·erBrE /ˌlaʊdˈheɪlə(r)/ NAmE /ˌlaʊdˈheɪlər/ (BrE ) (NAmE bull·horn ) noun an electronic device , shaped like a horn , with a microphoneat 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 |
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