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
And, Marilyn, would you pour coffee, please.
Marilyn 请你倒一下咖啡好吗？
Yes. It was delicious.
是的，味道很好。
It just took us a long time to get over the rocks.
我们花了很长时间才爬过岩石。