Definition: relating to the activity of sex Level: B2
健康的性关系建立在信任和沟通之上。
A healthy ___sexual relationship is built on trust and communication.
大多数人记得他们的第一次性经历。
Most people remember their first ___sexual experience.
在那个虚构的社会中，拥有性关系很常见。
Having ___sexual relationships was common in that fictional society.
