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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	Labor Day labored laborer labor force labor-intensive laborious laboriously labor market labor movement labor relations labor-saving labor union labour labradoodle Labrador labyrinth labyrinthine lace lacerate laceration lace-up lacework lachrymal lachrymose lack

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。