Definition: sexual activity between people Level: B1
在一些文化中，婚前/婚外性行为受到强烈反对。
___Sex before/outside marriage is strongly disapproved of in some cultures.
她抱怨电视上所有的性和暴力内容。
She was complaining about all the ___sex and violence on television.
她多年来一直与一位同事有性关系。
She'd been having ___sex with a colleague at work for years.
