0 the state of being either male or female -- 性別
Some tests enable you to find out the sex of your baby before it's born. 有些檢查能讓你在嬰兒出生之前知道其性別。
It's illegal to discriminate against people on the basis of (their) sex. 性別歧視是違法的。
She accused her employer of sex discrimination (= of treating her unfairly because she was a woman). 她指控自己的僱主有性別歧視。
She seems to regard all members of the male sex as inferior. 她似乎認爲所有的男性都低她一等。
Members of the opposite sex are not allowed in students' rooms overnight. 在學生宿舍不允許異性留宿。
1 physical activity between people involving the sexual organs -- 性活動；（尤指）性行爲，性交
Sex before/outside marriage is strongly disapproved of in some cultures. 在有些文化中，婚前／婚外性行爲是被強烈抵制的。
She was complaining about all the sex and violence on television. 她抱怨電視上充斥著性和暴力畫面。
She'd been having sex with a colleague at work for years. 多年來她一直和一位同事保持著性關係。
Most young people now receive sex education at school. 現在大多數年輕人在學校裡接受性教育。
extramarital/premarital sex 婚外／婚前性行爲
unprotected sex (= sex without using something to prevent disease or becoming pregnant) 無防護措施的性行爲
2 to discover if an animal is male or female -- 辨別…的性別
How do you sex fish? 你如何辨別魚的雌雄？
What sex is this dog?
She crusaded against sex and violence on television.
The sex scenes had been cut out of the English version of the film.
She's always dragging sex into the conversation.
