Cavitary
腔的, 空洞的
🗣️ 情景例句
Yes, we have. For how many?
有，要几张？
I think a joint venture would be beneficial to us both.
我认为合资经营对双方都是有利的。
When she's happy, I'm happy. When she feels unhappy, I feel the same.
她快乐时，我快乐。她不高兴时，我也不高兴。