Difficult menstruation
[医] 月经困难
🧩 词语组成解析
n. 月经, 月经期间\\n[医] 月经, 行经
🗣️ 情景例句
Oh, Daddy, does that mean we don't have to move?
噢 ，爸爸 ，你的意思是我们不必搬家了？
I was about to leave.
我正要出门。
In this way, we have learned all that we know of the laws of astronomy,
例如，用这种方法，我们完全掌握了天文学的规律。