单词	spelunker
释义	spelunkingspe‧lunk‧ing /spəˈlʌŋkɪŋ/ noun [uncountable] American English Word Origin WORD ORIGINspelunking Origin: 1900-2000 Latin spelunca ‘cave’, from Greek spelynx the sport of walking and climbing in caves—spelunker noun [countable]
随便看	structurally structure structured structured reality strudel struggle strum strumpet strung strung-out strung-up strut strychnine St Thomas St Trinian’s St Tropez Stuart Stuart, Charles Edward bystander byte byway byword Byzantine Byzantium bête noire

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