loudhailer
柯林斯词典
1. N-COUNT A loudhailer is a device for making your voice sound louder in the open air. 扩音器[英国英语]
A loudhailer blared warnings of a bomb scare. 扩音器大声播报炸弹恐吓的警告。
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loudhailer /ˌlaʊdˈheɪlə/ (also loud-hailer) (loudhailers)
剑桥词典
- a megaphone
喇叭，话筒，扩音器（同 megaphone） 返回 loudhailer