sexes

1. [U] 性别,性 condition of being male or female; gender
2. [U] 性行为,性吸引,性感 activities that lead to and include sexual intercourse; mutual physical attraction between people
3. [C] 男性；女性；雄性；雌性 either of the two groups that people, animals and plants are divided into according to their function of producing young

• betray one's sex暴露自己的性别
• discuss sex讨论性问题
• disguise the true sex隐瞒自己的真实性别
• have sex with sb与某人发生性关系
• improve one's sex life改善性生活

• both sexes男性和女性
• fair sex女性
• female sex女性
• gentle sex女性
• male sex男性
• opposite sex异性
• the other sex异性
• the third sex(总称)搞同性恋的人

• sex discrimination性别歧视
• sex manual性知识手册
• sex organs性器官
• sex shop性用品商店

• school for both sexes男女生学校
• differences of sex性的区别
• a film with lots of sex有许多性镜头的电影
• persons of different sex男女
• members of either sex男女会员

sex education性教育

have sex性交

opposite sex异性

sex life n. 性生活

have sex with与…性交

sex ratio男女人口比例

sex appeal性感；吸引力

sex hormone n. [生化]性激素

sex discrimination性别歧视；雌雄鉴别

sex change变性，变性手术

oral sex口交

sex difference性别差异；两性差别；性的差别

safe sex安全性行为（通常特别指利用避孕套来避免受爱滋病等传播）

sex determination性别决定；性决定

fair sex女性；妇女

sex scandal性丑闻；桃色新闻

sex role性别角色

sex drive性欲；性驱力；性冲动

unprotected sex不安全性行为

sex organ性器官

1. Everybody can come to this school,without respect to class, race, or sex.
   不论阶级、种族、性别,人人都可以进这所学校上课。
2. She disguised her true sex under a man's garment.
   她身穿男装来掩饰自己的真实性别。
3. Hunger and sex are elemental drives of human beings.
   食欲和性欲是人类的原始冲动。
4. The movie is full of sex and violence.
   这部电影充满了性和暴力。

1. It's difficult to sex newborn chicks.
   新生小鸡雏的性别是很难判断的。
2. They sex up their commercial advertisements to attract customers.
   他们使商业广告充满性感内容以吸引顾客。