Pems
abbr. pico-electromechanical system 皮[微微]米电子机械系统; Portable Environmental Measuring System 便携式环境测量系统
🗣️ 情景例句
I can't hold a job down.
我不能老被拴在一个工作上。
What are you speaking about?
你正在谈什么？
Where did you put it?
你把它放哪儿啦？