Paramenstrual
a. [医]经前及行经初期的
🗣️ 情景例句
It's a problem, isn't it?
这确实是个问题，不是吗？
I may be wrong, but your theory is all wrong, professor.
也许我不对，不过，教授您的理论是完全错了。
We are happy to be of help.
我们十分乐意帮助。