| 单词 | menstruation |
| 释义 | menstruation /men'strooh ay"sheuhn, -stray"-/, n. 1. the periodic discharge of blood and mucosal tissue from the uterus, occurring approximately monthly from puberty to menopause in nonpregnant women and females of other primate species. 2. the period of menstruating. [1770-80; MENSTRUATE + -ION] |
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