limestone caveの例文

• thirty keicho tsuho coins were excavated from the nippara limestone cave in okutama-cho town in tokyo as well .
  また東京都奥多摩町の日原鍾乳洞からも30枚出土している。
• the legend holds that , aritsuna , who had been pursued in kamakura , took refuge in a limestone cave called " genzokutsu " at the nakashiobara hot springs so as to make a comeback .
  中塩原温泉には、鎌倉に追われた有綱が再起を図るために潜んでいたと伝わる「源三窟」と呼ばれる鍾乳洞がある。