Pneumatic speaker
[电] 压气扬声器
🧩 词语组成解析
speaker
['spikɚ]
n. 说话者;演讲者，发言人;讲某种语言的人;扬声器;
🗣️ 情景例句
I've got plenty of time.
我有的是时间。
I checked my baggage in the baggage section.
我在行李房托运行李。
Then a police inspector arrived with a constable and she told them of her discovery of the ransacked flat.
过了一会儿，一位巡官带着一名警察来了。她向他们讲述了发现公寓遭劫的经过。