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	two-timer two-tone two-two two-up, two-down two-way two-way mirror two-way street TX -ty tycoon tying tyke Tyler, John Tyler, Wat tympanum Tyndale, William Tyne Tyne and Wear Tyneside Tynwald type typecast typecasting typeface typescript

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