| 单词 | cave diving |
| 释义 | > as lemmascave diving cave diving n. the exploration of underwater cave systems, esp. as a recreation, using specialized diving equipment. ΚΠ 1944 F. G. Balcombe Rep. 25 Aug. in Brit. Caver (1946) Spring 40 An inspection has been made to determine whether the rising at Keld Head would be suitable practice ground for cave-diving operations. 1967 D. Robinson Potholing & Caving (‘Know the Game’ Ser.) 20 A long training period with a cave diving group is essential. 1997 Outdoor Canada Summer 52/1 Sawatzky thrived on the rigours of cave diving, which is far more extreme than either caving or diving separately. < as lemmas |
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