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.
   角狀擴音器一種用來產生聲波的裝置，如揚聲器
2. By the time she had her design thought out, the loudspeaker had broadcast her plan throughout the factory.
   等她把設計辦法想出來時，大喇叭己經把她的辦法向全廠廣播了。
3. A loudspeaker designed to reproduce bass frequencies.
   低頻揚聲器設計用來再現(xiàn)低音頻率的揚聲器
4. 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。

loud.speak.er

n.（名詞）
A device that converts electric signals to audible sound.
擴音器：把電子信號轉變?yōu)榭陕犚姷穆曇舻囊环N裝置