loudspeaker
🇺🇸
/ˌlaʊdˈspiːkər/
🇬🇧
/ˌlaʊdˈspiːkə(r)/
noun
R
A device that amplifies sound from an audio source, like music or announcements, in public spaces.
The teacher used a loudspeaker to make sure everyone in the playground could hear the instructions.
老师使用扩音器以确保操场上的每个人都能听到指令。
R
A phone setting that allows you to hear the audio without holding the phone to your ear.
She put her phone on loudspeaker so we could all hear the conversation.
她把手机调到免提模式，这样我们都能听到对话。
R
The part of a radio or audio system that produces sound.
He turned up the volume on the loudspeaker to hear the song better.
他调高了扬声器的音量，以便更好地听到歌曲。
translation
扬声器, 免提模式, 喇叭
词形变化
Plural
loudspeakers