| 单词 | activated sludge |
| 释义 | Word Frequency activated sludgenoun a mass of aerated precipitated sewage added to untreated sewage to bring about purification by hastening decomposition by microorganisms |
| 随便看 |
|
英语词典包含233703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。