menstruate

1. V-I When a woman menstruates, a flow of blood comes from her uterus. Women menstruate once a month unless they are pregnant or have reached menopause. 行經(jīng)[正式]

Lean, hard-training women athletes may menstruate less frequently or not at all. 清瘦、訓練艱苦的女運動員行經(jīng)可能不那么頻繁或根本沒有月經(jīng)。

2. menstruationN-UNCOUNT 來潮

Menstruation may cease when a woman is anywhere between forty-five and fifty years of age. 月經(jīng)可能在女性45至50歲之間停止。