月经无法控制，开始到结束为止的几天内24小时流血，能做的只有用卫生巾或卫生棉条吸血防止流到衣服椅子上。
You can’t control menstruation; you bleed 24 hours from the beginning to the end, and all you can do is absorb blood with pads or tampons to prevent it from getting onto clothes or chairs.