straight

/streɪt/

a heterosexual person; someone having a sexual orientation to persons of the opposite sex

Chinese meaning: 异性恋者

The survey asked participants whether they were straight, gay, or bisexual.

调查询问参与者是异性恋、同性恋还是双性恋。

He is straight and has been married to his wife for ten years.

他是异性恋，和妻子结婚十年了。