Tree of life, there are three good friends, which is the shadow.In the morning, the shadow of the tree, standing in front of it, is thin and long.At noon, the shadow of the tree, standing behind it, is thick and long.The dusk, the shadow of the tree, stood beside it, is thin and short.In tree of life, there are three good friends and it was like peas and carrots, which is the shadow.树一生中，有三个好朋友，那就是它的影子。早晨，树的影子，站在它身前，是细细的，长长的。中午，树的影子，站在它身后，是粗粗的，长长的。黄昏，树的影子，站在它身旁，是细细的，短短的。在树的一生中，有三个和它形影不离的好朋友，那就是它的影子。
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