1 [U] the state of being either male or female 性别:
Applications are welcome from anyone, regardless of sex or race.欢迎任何人申请,不论性别、种族。Do you mind what sex your baby is?你想生男还是生女? [SYN] gender 同义词为gender
2 [C] one of the two groups consisting of all male people or all female people 男性;女性:
the male/female sex男性;女性He's always found it difficult to get on with the opposite sex (= women).他总觉得难以和异性相处。
3 (formal 正式coitusintercoursesexual intercourse) [U] the physical act in which the sexual organs of two people touch and which can result in a woman having a baby 性交:
to have sex with somebody与某人性交sex education in schools学校的性教育
sex/sɛks; seks/n 1 [U] the physical activity that two people do together to produce babies or for pleasure 性行为﹐性活动: +with He had sex with his sister's friend. 他和他妹妹的朋友发生性行为。sex education (=when young people are taught about sex) 性教育safe sex (=when people use something that will protect them from sexual diseases) 安全性行为2 [U] whether someone is male or female 性别: We don’t want to know the sex of the baby before it's born. 宝宝出生之前我们不想知道其性别。3 [C] all women considered as a group, or all men considered as a group 男性﹔女性﹔雄性﹔雌性: people of both sexes (=men and women) 男男女女He doesn’t have much success with the opposite sex (=people that are not his own sex). 他和异性交往不大成功。
sexsexsexessexedsexingnoun1(pluralsexes) the state of being a male or a female: What sex is your dog?the male sex2(no plural) when two people put their bodies together, sometimes to make a baby: to have sex