cave: n.1.洞,穴,岩洞;〔方言〕地窖。2.【英史】(从自由党分离出来的)分离派;脱党(者)。短语和例子cave period 穴居时代。vt.1.在…挖洞。2.使陷下;使倒坍;使崩溃。3.暗中破坏。vi.1.陷下,倒坍。2.投降,停止抵抗。短语和例子cave (back) over 倒下,翻转。 cave in 1. (地面)下陷,塌陷;(墙壁、帽子)凹进去,塌。 2. 〔口
Mammoth cave national park , located in the state of kentucky , has the world ' s largest network of natural caves and underground passageways , which are characteristic examples of limestone formations 猛玛洞穴国家公园位于肯塔基州,是世界上最大的自然洞穴群和地下长廊,也是石灰岩地貌构成的典型代表。