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BNC: 15316 COCA: 11822

sludge

noun
/slʌdʒ/
/slʌdʒ/
[uncountable]
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  1. thick, soft, wet mud or a substance that looks like it烂泥；淤泥；烂泥状沉积物 synonym slime
    • There was some sludge at the bottom of the tank.油箱底有油泥。
  2. industrial or human waste that has been treated工业淤泥；工业污泥；生活污物
    • industrial sludge工业淤泥
    • the use of sewage sludge as a fertilizer on farm land把下水道污泥用作农田肥料的做法
    3. Word Originearly 17th cent.: of uncertain origin; compare with slush.

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