vortex
noun uk/ˈvɔː.teks/ us/ˈvɔːr.teks/ vortexes or vortices uk/-tɪ.siːz/ us/-tə-/
[ C ] environment specialized旋涡;涡流
a mass of air or water that spins around very fast and pulls objects into its empty centre
[ C usually singular ] literary（困境的）旋涡
a dangerous or bad situation in which you become more and more involved and from which you cannot escape
I was sucked into a vortex of despair. 我被卷入了绝望的旋涡里。