Piezoelectrics
压电体
🗣️ 情景例句
My company manufactures toys and games for children.
我们公司专为孩子们生产玩具和游戏器具。
No,he doesn't have one.
不，他没有。
Yes. The No.72 bus will take you there.
有。72路公共汽车会把你带到那儿。