Loudhailer
volume
British pronunciation/lˈa‌ʊdhe‌ɪlɐ/
American pronunciation/lˈaʊdheɪlɚ/

"loudhailer"的定义和意义

Loudhailer
01

扩音器, 麦克风

a device used to amplify sound, typically for public speaking or making announcements
loudhailer definition and meaning

loudhailer

n
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