labium
noun [ C usually plural ] uk/ˈleɪ.bi.əm/ us/ˈleɪ.bi.əm/ labia uk/ˈleɪ.bi.ə/ us/ˈleɪ.bi.ə/
labia 阴唇
folds on the outside of the female sex organs
anatomy specialized唇，（身体上的）唇状组织
a lip or a structure in the body that looks like a lip