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
He was left in charge of the shop while the manager was away.
经理不在时他负责这个商店。
Drowning man will catch at a straw.
溺水的人一根草也要抓。
Maybe we should hold off until we have covered item B on our agenda.
也许我们应该先谈论完B项议题。