单词	filter bed
释义	filter bed noun : a sand or gravel bed for filtering water or sewage Word History First Known Use 1828, in the meaning defined above
随便看	bourgeoisify bourgeoisifying bourgeon bourgeoned bourgeoning bourgeons Bourges Bourget bourgie bourgier bourgies bourgiest bourgogne bourgognes bourgs Bourguiba bourguignon bourguignonne bourguignons Bourke-White bourkha bourlaws bourn bourne Bournemouth

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。