bullhorn

美 ['bʊl.hɔrn]

英 ['bʊl.hɔː(r)n]

复数：bullhorns

权威英汉双解

bullhorn

1.	电子喇叭；扩音器an electronic device, shaped like a horn, with a microphone at one end, that you speak into in order to make your voice louder so that it can be heard at a distance

— see also

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