adj.裂开的；分离的
n.裂缝；开裂
动词cleave的过去式和过去分词.
It provides free operations to children from underprivileged backgrounds with cleft pallets. 这家医院为贫困家庭的唇腭裂患儿提供免费手术。
The climber fell down a cleft in the rocks. 爬山者跌入岩石的裂缝里。
