loudspeaker-主題

loudspeaker

['laud'spi:kə]

n.揚聲器, 喇叭

例句與用法：

A device for projecting sound waves, as in a loudspeaker.

角狀擴音器一種用來產生聲波的裝置，如揚聲器

By the time she had her design thought out, the loudspeaker had broadcast her plan throughout the factory.

等她把設計辦法想出來時，大喇叭己經把她的辦法向全廠廣播了。

A loudspeaker designed to reproduce bass frequencies.

低頻揚聲器設計用來再現低音頻率的揚聲器

The police addressed the crowd through a loudspeaker on their car.

警察通過他們汽車上的喇叭向人群喊話。

英文解釋:

名詞 loudspeaker:

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

同義詞：speaker, speaker unit, loudspeaker system, speaker system

以上來源於大辭典