bisexual /baɪˈsɛksjʊəl/

• 1. 

  ADJ Someone who is bisexual is sexually attracted to both men and women. 双性恋的

• 2. 

  N-COUNT Bisexual is also a noun. 双性恋者

  例：

  He was an active bisexual.

  他是一个有实际双性恋行为的双性恋者。