noun🔗Share月经,例假 The periodic discharging of the menses, the flow of blood and cells from the lining of the uterus in unfertilized females of humans and other primates."Maria knew she needed to buy sanitary pads because her menstruation was due to start soon. "玛丽亚知道她需要买卫生巾,因为她的月经快要来了。physiologymedicinebodysexbiologyanatomyperiodChat with AIVocabulary GamePractice Reading