sludge

US /slʌdʒ/
UK /slʌdʒ/
"sludge" picture
1.

污泥, 泥漿, 沉澱物

thick, soft, wet mud or a similar viscous mixture of liquid and solid components, especially the product of an industrial or refining process.

:
The riverbed was covered in thick, black sludge.
河床被厚厚的黑色污泥覆蓋著。
Waste water treatment plants produce a lot of sewage sludge.
污水處理廠產生大量污水污泥