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-现代词典

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	mockingly mock moon mock orange mock sun mocktail mock turtle soup mockumentary mockup mock-up Moctezuma Moctezuma mod mod mod. modacrylic modal modal auxiliary modality modally mode model model after modeler modeling model minority

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。