Piezoceramics
压电陶瓷
🗣️ 情景例句
This sentence doesn't make any sense.
这个句子完全讲不通。
What's the big deal?
这有什么大不了的？
Of course. When I got there, you had already started playing. So you didn't see me.
当然啦。当我到那里时，你们已经开始踢球了。因而你没看见我。