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
Oh, hi.
噢 嗨。
I wish we had a baby.
我希望我们有个小宝宝。
Thanks for your letter.
谢谢你给我来信。