婚前性行为的英文：
premarital sex

Premarital sex
婚前性行为

Some people still think it is immoral to have sex before marriage.
有些人仍然认为婚前的性行为是不道德的。

At that time, abortion, divorce, premarital sex, and drug trafficking were listed as serious sins.
那时，流产、离婚、婚前性行为、贩卖毒品等都被列为重罪。

At that time, abortion, divorce, premarital sex, and drug trafficking were listed as serious sins.
那时，流产、离婚、婚前性行为、贩卖毒品等都被列为重罪。

There are members of both sexes in the committee.
委员会里男女委员都有。

You know the risks of promiscuous sex.
你知道滥交的危险。

The sex discrimination act defined two kinds of sex discrimination... Direct and indirect.
《反性别歧视法》阐释了直接歧视和接歧视。

There's too much sex in the film.
这电影里色情场面太多。

It's difficult to sex newborn chicks.
新生小鸡雏的性别是很难判断的。