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ATreeATreeAtreehasthreemainparts,theroots,thebranchesandtheleaves.Undertheground,therootsspreadoutsothatthetreecanstandfirm.Abovetheground,therootsformthetrunk,andthetrunksupportsthebranches.Nearthetopofthetree,thetrunkdividesintobranches.Atthetopofthetree,theleavesgrowoutofthebranches.Theleavesreceivesunlighttohelpthewholetreegrow.
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本文标题：A Tree
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