Piezocoupler
压电耦合器
🗣️ 情景例句
or we won't be finished by dinnertime.
要不然， 晚餐时间到了我们还做不完。
She is timid and completely at a loss what to do.
她羞臊得不知所措。
Do you know my number?
你知道我的号码吗？