名詞 loudspeaker:

1. 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

1. A device for projecting sound waves, as in a loudspeaker.
   角狀擴(kuò)音器一種用來(lái)產(chǎn)生聲波的裝置，如揚(yáng)聲器
2. By the time she had her design thought out, the loudspeaker had broadcast her plan throughout the factory.
   等她把設(shè)計(jì)辦法想出來(lái)時(shí)，大喇叭己經(jīng)把她的辦法向全廠廣播了。
3. A loudspeaker designed to reproduce bass frequencies.
   低頻揚(yáng)聲器設(shè)計(jì)用來(lái)再現(xiàn)低音頻率的揚(yáng)聲器
4. The police addressed the crowd through a loudspeaker on their car.
   警察通過(guò)他們汽車上的喇叭向人群喊話。

loud.speak.er

n.（名詞）
A device that converts electric signals to audible sound.
擴(kuò)音器：把電子信號(hào)轉(zhuǎn)變?yōu)榭陕?tīng)見(jiàn)的聲音的一種裝置