Unit2TheOlympicGamesPeriod2WordsandExpressionsStep1Let’sreadthewordsandphrasestogetherfirst.Step2Wewillstudythemeaningsandusageof...
sistern.mothern.fathern.parentn.brothern.grandmothern.姐;妹母亲;妈妈父亲;爸爸父(母)亲兄;弟(外)祖母;奶奶;外婆grandfathern...