Piezocoupler
压电耦合器
🗣️ 情景例句
Are they always that difficult to make?
领结这样难打吗？
The still sow eats up all the draff.
不声不响的猪吃光全部的饲料。
I am sick of always waiting for you!
你，老让我等你，真是烦透了。