wū shuǐ
น้ำเสีย; ตะกอน; น้ำเสีย; น้ำที่ปนเปื้อน
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工厂把污水排放到河里，造成了严重的污染。
gōngchǎng bǎ wūshuǐ páidào hé lǐ, zàochéngle yánzhòng de wūrǎn.
The factory discharged sewage into the river, causing serious pollution.
污水处理厂正在对污水进行处理。
wūshuǐ chǔlǐchǎng zhèngzài duì wūshuǐ jìnxíng chǔlǐ.
The sewage treatment plant is treating the sewage.
污水含有大量的细菌和病毒，对人体健康有害。
wūshuǐ hán yǒu dàliàng de xìjūn hé bìngdú, duì réntǐ jiànkāng yǒuhài.
Sewage contains a large number of bacteria and viruses, which are harmful to human health.
废水 (fèi shuǐ)
wastewater
污物 (wū wù)
filth
净水 (jìng shuǐ)
clean water
清水 (qīng shuǐ)
clear water
The Chinese word 污水 (wūshuǐ) for "sewage" is a compound of two characters: 污 (wū) meaning "dirty" or "polluted", and 水 (shuǐ) meaning "water". The character 污 is composed of two parts: 氵(shuǐ), which is a water radical, and 乌 (wū), which means "black" or "dark". The combination of these two characters suggests that 污水 is water that is dirty or polluted, which is an accurate description of sewage.
