cave的中文意思、音标与词形变化

n. 洞, 穴 vi. 凹陷, 塌落 vt. 挖洞, 使凹陷, 损坏...的基础

n. a geological formation consisting of an underground enclosure with access from the surface of the ground or from the sea v. hollow out as if making a cave or opening v. explore natural caves