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单词	preumbonal
释义	preumbonal adjective pre·​umbonal ¦prē+ : situated before the umbones of a bivalve shell Word History Etymology pre- + umbonal
随便看	bituminous grout bituminous macadam biturbo biturbos bitwise bitypic biune biunguiculate biunial biunique biuniqueness biuniquenesses biurets bivalences bivalencies bivalent bivalents bivalve bivalved bivalver bivalves bivalvest Bivalvia bivalviae bivalvias

英语词典包含469781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。