spelunkingspe‧lunk‧ing /spəˈlʌŋkɪŋ/ noun [uncountable] American English 
the sport of walking and climbing in caves—spelunker noun [countable]
the sport of walking and climbing in caves—spelunker noun [countable]
| 单词 | spelunking |
| 释义 | spelunkingspe‧lunk‧ing /spəˈlʌŋkɪŋ/ noun [uncountable] American English the sport of walking and climbing in caves—spelunker noun [countable] |
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