| 单词 | speleology |
| 释义 | speleology (once / 492472 pages) n WORD FAMILY speleology: speleologist+/speleologist: speleologists 1n the scientific study of caves Syn|Hyper spelaeology geology a science that deals with the history of the earth as recorded in rocks 2n the pastime of exploring caves Syn|Hyper spelaeology avocation, by-line, hobby, pursuit, sideline, spare-time activity an auxiliary activity |
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