loudspeaker
US /ˈlaʊdˌspiː.kɚ/
UK /ˈlaʊdˌspiː.kɚ/
名词
1.
扬声器, 喇叭
a device that converts electrical signals into sounds, typically as part of a public address system or sound reproduction system.
示例:
•
The announcement was made over the loudspeaker.
通知是通过扬声器发出的。
•
We need to connect the microphone to the loudspeaker for the event.
我们需要将麦克风连接到扬声器以进行活动。
在 Lingoland 学习这个单词