noun🔗Share洞穴，石窟 A small cave."The kids found a small grotto hidden behind the waterfall while hiking. "孩子们徒步旅行时，在瀑布后面发现了一个隐蔽的小洞穴。geologygeographynatureplaceChat with AIVocabulary GamePractice Reading
noun🔗Share洞穴，石窟 An artificial cavern-like retreat."The children loved playing in the grotto their parents built in the backyard, pretending it was a secret cave. "孩子们特别喜欢在后院里玩耍，那里有父母建造的假山洞穴，他们假装那是个秘密基地。architecturegeologyplaceChat with AIVocabulary GamePractice Reading
noun🔗Share岩洞，石窟。 A Marian shrine, usually built in a cavern-like structure."The pilgrimage group visited the grotto, a beautiful cavern-like shrine dedicated to Mary. "朝圣团参观了那个石窟圣地，那是一个美丽的、如同洞穴一般的玛利亚圣殿。religionarchitectureplaceChat with AIVocabulary GamePractice Reading
noun🔗Share洞穴探险俱乐部, 洞穴协会 A local organization of cavers that typically organizes trips to caves and provides information and training for caving; a caving club."The local grotto organizes weekend caving trips for its members. "当地的洞穴探险俱乐部为会员组织周末洞穴探险活动。geologyorganizationsportenvironmentnaturegroupplaceChat with AIVocabulary GamePractice Reading
noun🔗Share秘密撒旦教组织，地下撒旦教团体 (Satanism) A secretive name for a local group of underground Satanists."The rumors said the abandoned house in the woods was a meeting place for a local "grotto." "传言说，树林里那栋废弃的房子是当地一个“秘密撒旦教组织”的聚会地点。religiongrouporganizationsupernaturalChat with AIVocabulary GamePractice Reading
