污水 wūshuǐ sewage
How to remember 污水: 污 filthy + 水 water = sewage.
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How it is used
- Sewage/wastewater/dirty water - 污水处理 (wūshuǐ chǔlǐ) sewage treatment, 排放污水 (páifàng wūshuǐ) discharge wastewater.
- Refers to polluted/waste water; environmental and sanitation contexts.
- 污 (filthy) + 水 (water). Contrast 废水 (fèishuǐ, industrial wastewater); 污水 is broadly dirty/sewage water.