premenstrual

adj

Occurring in the time period during the menstrual cycle leading up to the beginning of menstruation.

She experiences premenstrual symptoms every month.

意味（1）

Occurring in the time period during the menstrual cycle leading up to the beginning of menstruation.

意味（2）

Relating to the time period in a girl's life prior to her first experience of menstruation; prepubescent.