S 开头单词
sexual transmission group [毉葯科學]性傳播人群
sexual transmission 性接觸傳播 性傳播
sexual thralldom [心理學]性之臣服
sexual tension 性張力；性緊張
sexual spore 有性孢子
sexual selection and competition [生物學]性選擇和性競爭
sexual selection 雌雄淘汰
sexual risk behavior [毉葯科學]性危險行爲危險性行爲
sexual revolution 性革命；性愛革命
sexual reproduction n. [胚] 有性生殖
sexual relationship in animal [心理學]動物性關系
sexual relations 兩性關系；性交
sexual psychophysiology [生物學]性心理生理學
sexual psychopathy 性心理病態
sexual preference 性取曏；性偏好；性愛好
sexual polymorphism [生物學]雌雄多型
sexual plant reproductive biology [生物學]植物生殖生物學