menstruation

n [U] process or time of menstruating 行经; 月经来潮; 行经期.

menage, menage a trois, menagerie, mend, mendacious, mendaciously, mendacity, Mendelian, mender, mendicant, mending, menfolk, menial, meningitis, meniscus, menopausal, menopause, menses, menstrual, menstruate, mensuration, mental, mental arithmetic, mental home, mental hospital, mental patient, mentality, mentally, menthol, mentholated, mention, mentor, menu, MEP, mephistophelean, mercantile, mercantile marine, Mercator's projection, Mercedes, mercenary, mercerize, mercerise,