大多数人是两种生物学性别：男性和女性，基于染色体（常见是 XX / XY）

来源: bearista 于 2026-01-27 20:55:08 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.