生活污水指的是什么
What does domestic sewage mean
生活污水是人类日常生活中使用过的水，包括则所、厨房、浴室、洗衣房等处排出的水，来自住宅区、公共场所、机关、学校、医院、商店以及工厂生活间，
Domestic sewage is the water used in human daily life, including the water discharged from houses, kitchens, bathrooms, laundries, etc., from residential areas, public places, organs, schools, hospitals, shops and factory living rooms,
其中含有较多的有机物如蛋白质、动物脂肪、碳水化合物和氨氮等，还含有肥皂和洗涤剂以及病原微生物寄生虫卵等，这类污水需要经过处理后才能排入自然水体灌溉农田或再利用。
It contains more organic substances, such as protein, animal fat, carbohydrates and ammonia nitrogen, as well as soap, detergent and pathogenic microorganism parasite eggs. This kind of sewage needs to be treated before it can be discharged into natural water body to irrigate farmland or reused.