音标：[seks]
n. 性别, 性欲
vt. 区别...的性别, 引起...的性欲
【医】 性别, 性
在线英汉词典
sex的短语、例句：
sex
n
1
(a) [U] condition of being male or female; gender 性别; 性
differences of sex 性的区别
What sex is your dog? 你的狗是公的还是母的?
Everyone is welcome, regardless of age or sex. 欢迎大家, 无论男女老幼一律欢迎.
[attrib 作定语]
sex discrimination, ie treating sb differently because of his/her sex 性别歧视.
(b) [C] either of the two main groups (male and female) into which living things are placed according to their functions in the process of reproduction (reproduce 4) 男性, 女性, 雄性, 雌性（指生殖功能而言的）
Is this behaviour typical of the male sex? 这种行为是雄性特有的吗?
There has always been some conflict between the sexes. 两性之间从来就有矛盾.
2 [U] ~ (with sb) sexual intercourse 性交
have sex (with sb) （与某人）性交
They often had sex together. 他们常发生性关系.
[attrib 作定语]
sex organs, ie penis, vagina, etc 性器官.
3 [U] activities that lead to and include sexual intercourse; mutual physical attraction between people 性行为; 性吸引; 性感
a film with lots of sex in it 有很多性行为镜头的电影
During puberty, young people become more interested in sex. 年轻人在青春期对性逐渐产生较大兴趣.
[attrib 作定语]
a sex manual, ie giving information on sexual behaviour 性知识手册
a sex shop, ie selling pornography, devices to make sex more enjoyable, etc 性用品商店.
4 (idm 习语) the weaker sex => weak. sex, v [Tn]
find out the sex(1) of (a creature) 鉴别（某生物）的性别
sexing very young chicks 识别小雏鸡的性别.
sex