menstrual

形容词 menstrual:

1. of or relating to menstruation or the menses
   同义词：catamenial

1. The first menstrual period, usually occurring during puberty.
   月经初期第一次月经期，通常发生于青春期
2. Abnormally heavy or extended menstrual flow.
   月经过多异常多或长时间的月经来潮

men.stru.al

adj.（形容词）
Of or relating to menstruation.
月经的或与月经有关的

Taking place on a monthly basis.
每月发生一次的
Lasting for one month.
持续一个月的

来源：
Middle English
中古英语
from Old French menstruel
源自 古法语 menstruel
from Latin mônstru3lis
源自 拉丁语 mônstru3lis
from mônstruus [menstrual]
源自 mônstruus [月经的]
from mônsis [month] * see mô- 2
源自 mônsis [月] *参见 mô- 2