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 don't care how much I have to study. I have to pass this exam.
我不介意要学多少东西。我必须得通过考试。
Could I speak to you, please?
我可以跟你谈话吗？
It really depends on who is in charge.
那纯粹要看谁负责了。