1 (also ˌred-eye ˈflight) [C] (especially US, informal 尤为美，非正式) a flight in a plane at night, on which you cannot get enough sleep 夜间航班；红眼航班: We took the red-eye to Boston. 我们乘坐夜间航班飞到波士顿。

2 [U] the appearance of having red eyes that people sometimes have in photographs taken using a flash²(3) ﹙因用闪光灯照相而在照片上出现的﹚红眼: a flash mode that is designed to reduce the red-eye effect 旨在减低红眼效应的闪光模式