Today, the majority of same-sex adoption cases involve a biological parent and a non-biological co-parent.当今大部分同性领养的情况都是一方是子女的亲生父母，另一方是共亲父母。Are the twins the same sex?这对双胞胎是同性的吗？Slash fiction is very popular on the Internet.同性色情同人小说在网络上非常流行。He has been accused of homosexual solicitation.他被控犯有勾引同性的罪行。