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
Did anyone find a camera bag this afternoon,a small canvas bag,on the J. F. Kennedy Ferry?…No?
请问今天下午有人捡到一个照像机旅行袋吗？一个小的粗帆布袋，是在J. F. Kennedy号渡船上丢的。……没有吗
Often and little eating makes a man fat.
少吃多餐，身强体胖。
Hi, Han Meimei!
你好，韩梅梅！