Oncetherewasafamilyofsquirrelswholivedinalargeoaktree．T...
問題詳情：Oncetherewasafamilyofsquirrelswholivedinalargeoaktree．Theyhadlivedthereformanygenerationsanditgavethemallthattheyneededto ,sotheyneverleftitsbranches．Thenthetreestartedtodieanditstopped...