limbus
limbus[ˈlɪmbəs](pl. limbi -bʌi)- (Anatomy)the border or margin of a structure, especially the junction of the cornea and sclera in the eye
(剖)(角膜和巩膜连接处的)缘
语源- late Middle English (denoting limbo): from Latin, edge, border'. The current sense dates from the late 17th cent
考试词汇表