你可以帮助你的孩子认识到，土壤不仅仅是泥土，而且是生活必需的东西。
You can help your children to gain the concept that soil is not just dirt but something necessary for life.
它是一个由8 - 12英寸的一个充满水凝胶的泥土层，还有可以培养土壤中自然菌的有机处理剂。
It's an 8 - to 12-inch layer of dirt impregnated with hydrogels, along with organic agents that nourish the natural bacteria in the soil.
我的手指在肥沃的土壤里挖掘，拔出菜，去掉上面的泥土，在菜园中回到生死循环之中。
My fingers were digging in the rich soil, pulling up the plants and brushing off the dirt to return to the cycle of life and death in my garden.
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