The volcanic rock that insulates the cave keeps the temperature at a comfortable level, between 63 and 68 degrees Fahrenheit, year round.
火山岩将洞穴和外界隔绝开，是温度维持在一个舒适的水平，全年温度介乎华氏63至68度之间。
You might go into a cave to work on a project to take your success to a new level and intentionally neglect the other areas of your life.
你可能会将自己投入到工作项目的空间，以此获得成功而达到一个新的高度，那时你其实已经有意地忽视了生活中的其他领域。
Cave and cleft in karst limestone are the main oil-bearing space of Ordovician oil poor in Tahe oil field, the develop level of ancient karst controlled the formation oil pool in Ordovician reservoir.
塔河油田奥陶系油藏储集空间以碳酸盐岩岩溶孔洞缝为主，古岩溶发育程度对奥陶系油气成藏有重要的控制作用。
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