sexD.J.[seks]K.K.[s?ks]n.1.性别; 性What[Which] sex is this fish?这条鱼是雌的还是雄的?There are members of both sexes in the team.队里男女队员都有。2.男性; 女性He never associated with the sex.他从不和女性交往。3.性关系4.性活动, 性行为He did not agree with his mother's views on premarital sex.他不同意母亲关于婚前性行为问题的观点。
