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loud hailer

美 [laʊd ˈheɪlər]英 [laʊd ˈheɪlə]

网络扩音器;大声公;话筒

loud hailer

loud hailer

英英释义

noun

a portable loudspeaker with built-in microphone and amplifier: Synonym: bullhorn loud-hailer

数据来源：WordNet

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