vi.行经，来月经

原形：menstruate第三人称单数：menstruates过去式：menstruated过去分词：menstruated现在分词：menstruating

She started menstruating at the age of 13.
她从十三岁开始月经来潮。
Women usually menstruate for about five days each month.
女性通常每月经期大约持续五天。
It's common to experience mood swings during menstruation.
在月经期间情绪波动是很常见的现象。
Many women experience abdominal cramps while menstruating.
许多女性在月经期间会经历腹部绞痛。
The absence of menstruation is known as amenorrhea.
月经不来被称为闭经。
If you're menstruating, it's not recommended to swim in open water.
如果你正在月经期，建议不要在公开水域游泳。
During menstruation, some women prefer using tampons instead of pads.
在月经期间，有些女性更喜欢使用卫生棉条而非卫生巾。
Menstrual blood can be used for medical tests and research purposes.
月经血可用于医学检测和研究用途。
Some women notice changes in their skin during menstruation due to hormonal fluctuations.
一些女性在月经期间由于激素水平变化注意到皮肤有所改变。
Irregular menstruation can be a sign of an underlying health issue.
月经不规律可能是潜在健康问题的一个信号。