cavet上楣caven.洞穴；山洞v.挖空；塌落；屈服cave effect井洞影响cave period穴居时代Cave degree穴度cave animal穴居动物cave temple石窟cave dwellern.(史前石器时代的)穴居人caved gangue冒落矸石Cave Tourism洞穴旅游cave culture洞穴文化cave erosion洞穴侵蚀