rock cave

基本解释

It's the largest rock cave in Yunnan.
是云南所有石刻中最大的一窟。
The examples in the paper show that it is suitable and convenient to use the proposed approach for the approximate judgement of rock cave strength in engineering.
文中算例表明，用这一计算方法近似判断岩洞强度在工程范围内是适用与方便的。
In order to get a good economic effect and make use of the good geographical position, the cave extension becomes a favorable option for the rock cave construction.
为了取得良好的经济效益和利用原有洞库良好的地理位置，洞库扩挖成为岩石洞库施工中一项非常值得考虑的方案。

The action of wind and water can form cave openings like natural rooms within the rock.
These cave systems form in carbonate rock, often on islands.

The Blombos cave and the Diepkloof rock shelter in South Africa have turned up ostrich shells and pieces of ochre with ornate markings that date back 60, 000 years ago.
FORBES: Human Ingenuity: A 100,000-Year-Old Story
Their headlamps illuminate soda-straw rock drippings from the ceiling, and rippled flowstone on the cave walls.
FORBES: Magazine Article