- (also red-eye flight)[countable] (especially North American English, informal)
a flight in a plane at night, on which you cannot expect to get enough sleep Topics Transport by airc2夜间航班;红眼夜航 - [uncountable]
the appearance of having red eyes that people sometimes have in photographs taken using flash (因使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