求把这篇短文翻译成中文mariogreenandmarybrownfronriversidehighschoolgiveupseveralhourseachweektohelpothers.mariolovesanimalsandwantstobeananimaldoctor.hevolunteersatananimalhospitaleverysaturdaymorning.mar

　　求把这篇短文翻译成中文

　　mariogreenandmarybrownfronriversidehighschoolgiveupseveralhourseachweektohelpothers.

　　mariolovesanimalsandwantstobeananimaldoctor.hevolunteersatananimalhospitaleverysaturdaymorning.mariobelievesitcanhelphimtogethisfuturedreamjob."it'shardwork,"hesays,"butiwanttolearnmoreabouthowtocareforanimals.igetsuchastrongfeelingofsatisfactionwheniseetheanimalsgetbetterandthelookofjoyontheirowners'faces.'

　　maryisabooklover.shecouldreadbyherselfattheageoffour.lastyear,shedecidedtotryoutforavolunteerafter-schoolreadingprogram.shestillworksthereonceaweektohelpkidslearntoread."thekidsaresittinginthelibrary,butyoucanseeintheireyesthatthey'regoingonadifferentjourneywitheachnewbook.volunteeringhereisadreamcometrueforme.icandowhatilovetodoandhelpothersatthesametime."