And,like birds they have a single opening with which they produce eggs, have sex and expel waste.

VOA: special.2009.07.07

I've done a great deal of work on love and sex, and now have written at least eight books.

我大量研究爱情与性爱，到现在写了至少八本书了。

麻省理工公开课 - 电影哲学课程节选

Typically, we're distracted from thinking about them by the distractions provided by the body-- the desire for food, drink, sex, what have you, sleep.

通常我们对这些东西的思考,被身体的一些需求打乱了,比如对食物,饮料,性,睡眠的欲望

耶鲁公开课 - 死亡课程节选

Girls are advised to begin testing within three years of when they first have sex, or in any case no later than twenty-one.

VOA: special.2009.11.25

Now eating can perhaps be a metaphor for sex, some have argued.

有人说，“吃“也许是对性的隐喻。

耶鲁公开课 - 旧约导论课程节选

It is a symbol of their belief in waiting until marriage to have sex.

VOA: special.2009.06.19

The Acts of the Apostles doesn't have sex.

使徒行传不涉及性。

耶鲁公开课 - 新约课程节选

It says young people in Africa are waiting longer to have sex.

VOA: special.2010.07.14

So this is where you'd go to relax, to make a business deal, to meet your friends, to chat, to try to have sex, try to meet somebody.

人们可以在那儿得到放松，谈谈生意，见见朋友，聊天，性爱，约会。

耶鲁公开课 - 新约课程节选

The key populations as defined by the study are the people who are mainly drug injectors, men who have sex with men, and sex workers.

VOA: standard.2010.07.07

We are basically committed to each other for sex but it's very hard to make those relationships last a long time because we might not have anything in common, we might not share anything with each other, we might not trust each other, we are not particularly bonded to each other.

我们基本上只有激情的承诺,长时间维持这种关系很困难,因为可能双方没有任何共同点，没有共享的东西，我们可能互不信任，不是特别亲近。

耶鲁公开课 - 心理学导论课程节选

I mean,I think that knowing how HIV basically gets transmitted is something that people are afraid, that people know that they have had extra-marital sex-the whole concept of men who have sex with other men-- it's a big taboo, and the region does not want to admit that we have these groups.

VOA: standard.2010.07.07

Others say some women may have had sex with infected men who had very high amounts of the virus.

VOA: special.2010.07.21

"Have you seen any other of the summer movies, like 'Sex and the City?'" "No. I didn't see the 'Sex and the City ?'

VOA: special.2010.06.14

Thirty of the fifty states have changed their constitutions to ban same-sex marriage.

VOA: special.2010.02.06

Questions have been raised about his handling of sex abuse cases and whether he had a role in keeping them quiet.

VOA: standard.2010.03.28

She says many women still don't feel like they have the power to negotiate safe sex.

VOA: standard.2010.03.02

"They can just say they won't do it." "Abstinence-only sex education denies young women opportunity to have the knowledge they need to make their own informed decisions."

VOA: standard.2010.05.12

"For example,the woman's sector have put through a recommendation to cabinet around the idea of putting a moratorium on arrests of commercial sex workers during the course of the World Cup."

VOA: standard.2010.05.29

The IAAF says Semenya was subjected to sex testing three weeks ago, following complaints from a member body, but have refused to say exactly what the complaint was or who made it.

VOA: standard.2009.08.25