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loud-hailer

/ˌlaʊdˈheɪ.lər/

翻译: 一种便携式电子设备,通过麦克风、放大器和扬声器来放大使用者的声音,通常用于向人群喊话或远距离广播。

1 个条目

noun

/ˌlaʊdˈheɪ.lər/C1formalbritish
  • zh一种便携式电子设备,通过麦克风、放大器和扬声器来放大使用者的声音,通常用于向人群喊话或远距离广播。

A portable electronic device that amplifies the user's voice, consisting of a microphone, amplifier, and loudspeaker, typically used for addressing crowds or giving announcements over a distance.

  1. Portable loudspeaker deviceB2formalbritish

    A portable electronic device with a built-in microphone and amplifier, used to amplify a person's voice over a distance.

    zh扩音器

    • The police officer used a loud-hailer to address the crowd.
    • The captain shouted orders through a loud-hailer from the bridge.
    • During the emergency, rescuers used a loud-hailer to guide survivors.

    同义词bullhornmegaphone

词形
  • loud-hailers plural form
  • loud-hailers' possessive plural form
  • loud-hailer's possessive singular form