loudhailer
/ˈlaʊdˈheɪlə(r)/noun
- chiefly Brit. an electronic device used to amplify the sound of a person's voice so that it can be heard at a distance; a megaphone〈主英〉扩音器; 电子喇叭。
单词 | loudhailer |
释义 | loudhailer/ˈlaʊdˈheɪlə(r)/noun
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