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
The first chopsticks were made from bone and jade.
第一批筷子是骨头或玉制成的。
The two warring countries refused to negotiate.
这两个交战国拒绝谈判。
Whether they will ever become future Olympic champions, only time will tell.
他们将来是否能成为奥林匹克的冠军，这只能由时间来作出回答。