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单词	first day
释义	first day noun 1 usually capitalized F : sunday —used chiefly by the Friends 2 a : a day when the postage stamps of a new issue are first placed on sale especially : one on which recognition of the event is made by special cancellations and often by cachets on mail bearing the stamps b : first day cover Word History First Known Use 1649, in the meaning defined above
随便看	mesentera mesenterial mesenteric mesenteric gland mesenteries mesenteritises mesenteron mesenterons mesentery meseny mesepimeron mesepisternum mesepithelium meses Meseta mesethmoid mesh mesh knot Meshech meshed meshedes mesheds meshes meshier meshiest

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。