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A little apple tree begins to grow from a seed.一棵小苹果树是由一颗种子开端长大的。When its roots(根)reach into the soil(土壤), it gets water.当它的根扎到土壤里，它就得到了水分。The little tree uses light from the sun and makes its own food.For several years, the tree grows bigger.小树应用阳光并制成了自己的食物。几年以后，小树长大了些。Then, in spring, it gr ... [查看原文]
