loud-speaker

英 ['laʊdsp'iːkər] 美 ['laʊdsp'iːkər]

• n. 扩音机

英英释义

名词 loudspeaker:

1. electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance

词汇搭配

• loud speaker 扬声器

近反义词

【近义词】

• microphone 麦克风