2 sentences for 同性 (tóng​xìng — homosexual)

1. 同性婚姻在一些国家是合法的。

   tóng​xìng hūn​yīn zài yī​xiē guó​jiā shì hé​fǎ de.

   Same-sex marriage is legal in some countries.

   Source: Dong Chinese Dictionary

2. 在这对同性情侣中，她是比较女性化的婆。

   zài zhè duì tóng​xìng qíng​lǚ zhōng, tā shì bǐ​jiào nǚ​xìng​huà de pó.

   In this same-sex couple, she is the more feminine 'Po' (femme).

   Source: Dong Chinese Dictionary