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单词 loudhailer
释义

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。
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更新时间:2025/8/25 4:11:31