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