same-sex marriage同性婚姻
Same-sex Uunion同性结合
same-sex contracts混合同性合同
same-sex sexual behavior同性性行为
ADJ（形容词） Same-sex people are the same sex as each other, or the same sex as a particular person. 同性的 [usu ADJ n]
...women's same-sex friends.
...女人们的同性朋友。