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大家在搜： populates populated populating block of metal metal bar speleology potholer potholing spelunkers spelunker

spelaeology

网络洞穴学

spelaeology

spelaeology

英英释义

noun

the pastime of exploring caves: Synonym: speleology

the scientific study of caves: Synonym: speleology

数据来源：WordNet

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succulent succulence succulency succulents sarcoid soldered solders Sparaxis tricolor Shari River surmises speleology spelunkers spelunker spelunking speleologist scenting Sir Joseph Paxton sunbursts Scilla nonscripta seventeenth