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单词	underream
释义	underream transitive verb : to enlarge (an oil-well hole) below the casing Word History Etymology under entry 1 + ream
随便看	seroprevalence seropurulent serosa plmb plmg pln PLO plo ploat ploated ploating ploats ploce plocei Ploceidae ploceidaes ploceiform ploces Ploceus ploceuses Plock plod plodded plodder plodders

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。