Do you think your knowledge on bisexuality is sufficient ?

你认为你对双性恋的认识足够吗?

The new northwestern study was financed in part by the american institute of bisexuality , a group that promotes research and education regarding bisexuality .

这项西北大学的新研究部分是由美国双性恋协会（americaninstituteofbisexuality）资助的，该协会是一个推进双性恋研究和教育的组织。

But for many years the question of bisexuality has bedeviled scientists .

但是，双性恋的问题多年来一直困扰着科学家。

Rather she found that bisexuality in women is a distinct and consistent sexual orientation .

女性身上的这种双性恋倾向是一种确定而长期的性倾向。

I 'm not even sure bisexuality exists .

我根本不确定双性恋是否存在。