loudspeaker
/ˈlaʊdspiːkɚ/ 名词 B1中文： 扩音器、扬声器、喇叭、扩音机
- An electromechanical transducer that converts an electrical signal into audible sound.
- Any such transducer that is loud, as opposed to quiet ones such as those found in headphones.
- An encasing containing one or more loudspeaker devices and usually other electrical equipment such as a driver.
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