Piezoelectron
压电电子
🗣️ 情景例句
Would you mind telling me...
你能告诉我...
Deeds are males, and words are females.
言柔弱无能，行刚强有力。
He was absent on Monday,Tuesday,Wednesday and Tuesday.How are you all keeping?
星期二、星期三和星期四没去上学。你们身体都好吗？