人和陆生动物排泄物含有可溶的难处理有机物质。
The excreta of humans and land animals contain soluble refractory organic matter.
水生动植物如鱼、蛙、龟、蛇等的排泄物中也会含有类似的难处理的物质。
The excreta of aquatic animals-fish frogs turtles snakes etc-contain similar refractory materials.
垃圾渗滤液污染物浓度高、毒性大、成分复杂，对生态环境和人体健康危害十分严重，是一种典型的高污染、难处理高浓度有机废水。
The concentration of the pollution in garbage leachates is high, the virulence is great and the component is complex , which harms the biological environment and people' s health very seriously.
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