•Most people remember their first sexual experience.大多数人都记得他们的第一次性经验。

•a sexual relationship性关系

•sexual assault / harassment性侵害／性骚扰

•FORMAL sexual intercourse (= the act of having sex)性交

•sexual orientation / preference (= whether someone chooses to have sex with men, women, or both)性倾向

•sexual reproduction有性繁殖

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•Sexual equality will not be achieved until there is more provision for childcare.只有提供更多的幼儿保育服务，才会实现男女平等。

•Some steps have been taken towards ending sexual discrimination (= treating people unfairly because of which sex they are).已经采取了一些措施来消除性别歧视。