第一性征 dìyīxìngzhēng primary sexual characteristics Definitions Defs Origin Strokes Stroke Words Sentences Sents 第一性征 第一性徵 dìyīxìngzhēng primary sexual characteristics The fundamental biological traits that distinguish males and females, specifically the reproductive organs such as the ovaries and testes.testes.
第一性征 第一性徵 dìyīxìngzhēng primary sexual characteristics The fundamental biological traits that distinguish males and females, specifically the reproductive organs such as the ovaries and testes.testes.
