cave keiv
释义
n. 洞, 穴
vi. 凹陷, 塌落
vt. 挖洞, 使凹陷, 损坏...的基础
英文释义
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
词形变化
复数: caves 过去式: caved 过去分词: caved 现在分词: caving 第三人称单数: caves
BNC词频排名: 4,161 | 当代语料库词频排名: 3,562