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
You'll have another chance next election.
下次选举时， 还有机会。
Don't criticize him for his delay.
不要责备他的延误。
Since that time, racing drivers have reached speeds over 600 miles an hour.
从那时以来，赛车选手已达到每小时600英里的速度。