sludge

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

污泥, 泥浆, 沉淀物

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盖着。
Waste water treatment plants produce a lot of sewage sludge.
污水处理厂产生大量污水污泥