red-eye
noun uk/ˈred.aɪ/ us/ˈred.aɪ/
(FLIGHT)
[ C ] mainly US informal夜间航班，红眼航班
a flight taken at night
We caught the red-eye from LA and got to New York at five this morning. 我们在洛杉矶搭乘夜间航班在今天早上5点到了纽约。
(IN PHOTOGRAPH)
[ U ]（照片中的）红眼
the red colour that a person's eyes seem to be in some photographs
a flash which minimizes red-eye 可尽量减少红眼的一种闪光灯