Pm speaker
[电] 永磁话筒
🧩 词语组成解析
PM
[[em]]
出纳员, 军需官\\n[计] 调相, 性能管理, 处理模块, 程序存储器
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
One moment, please.
请等一下。
This telephone line is interrupted.
这个电话不通。
I was being tested for a driving licence for the third time.
我第3次接受驾驶执照考试。