单词	spelunking
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	declassify declension decline Decline and Fall of the Roman Empire, The declining declutter decode decoder decolonization decolonize decommission decompose decomposition decompress decompression decompression chamber decompression sickness decongestant deconstruct deconstruction decontaminate decontamination decor decorate decorating

英语词典包含52748条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。