英语词汇“filter bed”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	filter bed
释义	filter bed n. A layer of sand or gravel on the bottom of a reservoir or tank, used to filter water or sewage.
随便看	ringer Ringer solution Ringer's solution ring finger ringfort ringgit Ringgold Wilmer ringhals ring knocker ringleader ringlet ringleted Ringling ringmaster Ring Nebula ringneck dove ring-necked dove ring-necked duck ring-necked pheasant ring-necked snake ringneck snake Ringo Ring of Fire ring ouzel ringside

英语词典包含135693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。