Definition
To be sexually attracted to both men and women.
指对男性和女性皆有性吸引力。
As far as I know, she is attracted to both men and women, so she can be said to swing both ways.
据我所知，她对男性和女性都有吸引力，所以她可以说是双性恋。
He has always been open about being bisexual, saying he swings both ways.
他一直公开自己是双性恋，说他对男女都有兴趣。
Although she is currently dating a woman, she has also dated men, so I think she swings both ways.
虽然她现在和一个女人约会，但她以前也约会过男人，所以我认为她是双性恋。