柯林斯詞典cleft lip 1. N a congenital split in the upper lip, often associated with a cleft palate 唇裂 返回 cleft lip劍橋詞典an upper lip that does not join in the middle because it did not develop normally before birth 唇裂，兔唇 Bobby was born with a cleft lip . 博比生下來就是兔唇。 返回 cleft lip