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
Butter, nice and cold and hard.
牛油 新鲜又冷又硬。
A wise man needs not blush for changing his purpose.
智者不耻于改变初衷。
All right.
好吧。