详细解释:n. 洞, 穴
vi. 凹陷, 塌落
vt. 挖洞, 使凹陷, 损坏...的基础
【建】 洞穴
相关词组:
cave in
词型变化：
名词:caver动词过去式:caved过去分词:caved现在分词:caving第三人称单数:caves英语解释：
名词 cave:
a geological formation consisting of an underground enclosure with access from the surface of the ground or from the sea动词 cave:
hollow out as if making a cave or opening同义词：undermine