menstruate

1. Some girls may first ovulate even before they menstruate.
有些女孩初次排卵可能甚至早于她们的月经。

《柯林斯英汉双解大词典》

2. Lean, hard-training women athletes may menstruate less frequently or not at all.
清瘦、训练艰苦的女运动员行经可能不那么频繁或根本没有月经。

《柯林斯英汉双解大词典》

3. Lean, hard-training women athletes may menstruate less frequently or not at all.
清瘦、训练艰苦的女运动员行经可能不那么频繁或根本没有月经。

《柯林斯英汉双解大词典》