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loudhailer

loudhailer
[ˈlaudˈheilə] 生词本

n.

  • 柯林斯高阶英汉双解学习词典

1. N-COUNT 手提式扩音器；喇叭筒 A loudhailer is a portable device with a microphone at one end and a cone-shaped speaker at the other end, used to make your voice heard more easily outdoors. 
in AM, use 美国英语用 bullhorn