- [uncountable, countable]
the state of being male or female 性别 How can you tell what sex a fish is? 你怎样辨别一条鱼的雌雄？ - sex of somebody/something
a process that allows couples to choose the sex of their baby 使夫妇能选择婴儿性别的措施 We determined the sex of the birds from their DNA. 我们从它们的基因中确定了鸟类的性别。 Please indicate your sex and date of birth below. 请在下面写明你的性别和出生日期。 Levels of infection vary dramatically according to age and sex. 感染程度因年龄和性别而异。 discrimination on grounds of race or sex 基于种族或性别的歧视 sex discrimination (= the act of treating men and women differently in an unfair way) 性别歧视 Testosterone is the male sex hormone. 睾酮是男性性激素。 In some areas the male : female sex ratio has reached 130 : 100. 在一些地区，男女性别比例已经达到130 : 100。 Proving with scientific data that sex differences in behaviour are innate is notoriously controversial. 众所周知，用科学数据证明行为上的性别差异是与生俱来的是有争议的。
Extra ExamplesSex is determined by chromosomal content. 性别是由染色体的组成决定的。 For a long time I wanted to change my sex. 我很长时间以来一直想改变自己的性别。 She's had a sex change operation. 她已做了变性手术。 The theory predicts sex differences in the brain. 该理论预测大脑存在性别差异。 The word ‘man’ can refer to all humans, irrespective of sex. man 可以指所有的人，不论性别。 discrimination on grounds of sex 基于性别的歧视 issues of sex equality in the office 办公室性别平等问题
Oxford Collocations Dictionaryadjective- female
- male
- opposite
- …
- determine
- change
- be attracted to
- …
- change
- equality
- discrimination
- …
- between the sexes
- the battle of the sexes
- equality between the sexes
- equality of the sexes
- …
- [countable]
either of the two groups that people, animals, and plants are divided into according to their function of producing young 男性；女性；雄性；雌性 a member of the opposite sex 一名异性成员 people of the same sex 同性别的人 single-sex schools 单一性别学校 differences between the sexes 两性之间的差异 Exam results for both sexes have continued to improve. 两性的考试成绩都在不断提高。 Gibson was the first African American of either sex to play at Wimbledon. 吉布森是第一个在温布尔登打球的非裔美国人。 the battle of the sexes (= the competitive relationship that exists between men and women) (often figurative) 傲慢；目中无人
Oxford Collocations Dictionaryadjective- female
- male
- opposite
- …
- determine
- change
- be attracted to
- …
- change
- equality
- discrimination
- …
- between the sexes
- the battle of the sexes
- equality between the sexes
- equality of the sexes
- …
- [uncountable]
physical activity between two people in which they touch each other’s sexual organs, and which may include sexual intercourse 性；性交；性行为；性活动 - sex with somebody
It is illegal to have sex with a person under the age of 16. 和 16 岁以下的未成年人发生性行为是违法的。 gay sex 同性恋性行为 the sex act 性行为 a footballer involved in a sex scandal 卷入性丑闻的足球运动员 victims of sex abuse 性虐待的受害者 sex education in schools 学校里的性教育 Amid such poverty, the sex trade has flourished. 在如此贫困的情况下，性交易蓬勃发展。 a controversial film containing explicit sex scenes 包含露骨性爱场景的有争议的电影 a sex shop (= one selling magazines, objects, etc. that are connected with sex) 性用品商店 These drugs may affect your sex drive (= your interest in sex and the ability to have it). 这些药物可能影响你的性欲。 The slogan for the hippie generation of the 1960s was sex, drugs and rock and roll. 20世纪60年代嬉皮士一代的口号是性、毒品和摇滚。
Extra Examplessex between consenting adults 成人之间自愿发生的性行为 sex with her husband 与她丈夫的性行为 They teach that sex outside of marriage is wrong. 他们向人们传授这样的观点：婚外性行为是一种过错。 I have had several sex partners over the years. 多年来我有过几个性伙伴。 safer sex practices 较安全的性行为 Sex sells, the advertisers believe. 性有卖点，广告商们深信这一点。 Movies containing scenes of explicit sex are banned. 有露骨性爱场景的电影禁止上映。 He was convicted of having unlawful sex with an underage girl. 他被判定与一名未成年少女发生非法性行为。 to crack down on international sex trafficking 打击国际性贩运 He was arrested for sex crimes. 他因涉嫌性犯罪而被捕。 The film featured graphic scenes of sex and violence. 这部电影以生动的性和暴力场面为特色。 It's important to abstain from sex until treatment is completed. 在治疗结束之前，禁欲是很重要的。
Oxford Collocations Dictionaryadjective- anal
- oral
- penetrative
- …
- engage in
- have
- consent to
- …
- life
- drive
- urge
- …
- sex between
- sex with
- sex, drugs and rock ’n’ roll
- sex and violence
- sex outside of marriage
- …
- sex with somebody
- -sexed
(in adjectives 构成形容词 having the amount of sexual activity or desire mentioned 性行为…的；性欲…的 a highly-sexed woman 性欲旺盛的女人
Word Originlate Middle English (denoting the two categories, male and female): from Old French sexe or Latin sexus.