noun🔗Share天然水池, 石穴。 A rock hole, capable of holding water, formed by weathering."During their hike in the Australian outback, the family relied on a gnamma filled with rainwater for a much-needed drink. "在澳大利亚内陆徒步旅行期间，这家人靠着一个储存着雨水的天然石穴解了渴，这真是太及时了。geologyenvironmentgeographynatureChat with AIVocabulary GamePractice Reading
