柯林斯词典cleft lip 1. N a congenital split in the upper lip, often associated with a cleft palate 脣裂 返回 cleft lip剑桥词典an upper lip that does not join in the middle because it did not develop normally before birth 脣裂，兔脣 Bobby was born with a cleft lip . 博比生下來就是兔脣。 返回 cleft lip