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
Maybe I can help.
也许我能帮忙。
I could only guess the number of people in the room.
我无法正确地猜测房间里面有多少人。
On Wednesday evening, we went to the Town Hall.
星期三的晚上，我们去了市政厅。