aurora borealis

Từ điển Oxford Advanced Learner 8th

aur·ora bor·ealis [aurora borealis] BrE [ɔːˌrɔːrə ˌbɔːriˈeɪlɪs] NAmE [ɔːˌrɔːrə ˌbɔːriˈeɪlɪs] noun singular
= ↑Northern Lights