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. 行经[正式]

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。

2. menstruationN-UNCOUNT 来潮

Menstruation may cease when a woman is anywhere between forty-five and fifty years of age. 月经可能在女性45至50岁之间停止。