Mems
abbr. 微电子机械系统（Micro-electromechanical Systems）
🗣️ 情景例句
and she belongs to Mr. and Mrs. Levinson.
它是Levinson夫妇家的狗。
Constant dropping wears away a stone.
滴水穿石。
I'm looking forward to seeing you.
我期望见到你。