单词	obsidian
释义	obsidianobsidian /əbˈsɪdiən/ noun [uncountable] Etymology ETYMOLOGYobsidian Origin: 1300-1400 Latin obsidianus lapis, mistake for obsianus lapis stone of Obsius, a Roman traveler said to have discovered the rock a type of dark rock which looks like glass
随便看	buxom buy buyer buyer's market buyout buzz buzzard buzzcut buzzer buzz saw buzzword BWL by by- by-catch bye by-election bygone bygones bylaw by-line BYOB bypass byplay byproduct

英语词典包含48224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。