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	put putative put-down Putin, Vladimir put-on put out putrefaction putrefy putrid putsch putt puttee putter putting putting green Puttnam, David putty put-up job put-upon putz Puzo, Mario puzzle puzzled puzzlement puzzler

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