食物是由碳水化合物，脂肪，水分和（或）蛋白质组成的，并且能使动物通过进食或饮用而获得营养或满足的一种物质。
Food is any substance, usually composed primarily of carbohydrates, fats, water and/or proteins, that can be eaten or drunk by an animal for nutrition or pleasure.
像花园一样，一块块“湿地”上填上泥土和岩石，种上植物，吸收水分并吸附生物化合物和病原体。
Garden-like "wetland cells" layered with plants, soil, and rocks collect the water and capture biological compounds and pathogens.
包含碳水化合物和钠盐的饮料，例如一些运动饮料，也非常重要，因为他们可以补充因为汗水而失去的水分和营养。
Drinks that contain carbohydrates and sodium, such as sports drinks, also are important because they replenish the fluids and nutrients lost by sweat.
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