1680s, from Late Latin menstruare, from menstruus "monthly" (see menstrual) + -ation. Old English equivalent was monaðblot "month-blood." Middle English had menstrue (n.), late 14c., from Old French menstrue, from Latin menstruum.
双语例句
1. Menstruation may cease when a woman is anywhere between forty-five and fifty years of age.
女性停经是在45至50岁期间。
来自柯林斯例句
2. Women enjoy special protection during menstruation, pregnancy , child birth and baby nursing period.
妇女在经期 、 孕期 、 产期和哺乳期受特殊保护.
来自汉英非文学 - 白皮书
3. What reason is the abdomen below the half moon before menstruation aches?
月经前半月下腹疼是什么原因?
来自互联网
4. The female is in menstruation, why to heatstroke easily?
女性在月经期间, 为什么容易中暑 呢 ?
来自互联网
5. The women were sickly and subject to excessive menstruation.
