你的朋友Mary到你家做客,你向她介绍你家庭成员的名字mother,father,aunt,uncle,sister,grandparents,b...

Mary,this is my mother.Mum,this is Mary.
Mary,this is my father,dad,this is Mary
如果非要一一介绍就以此类推,
如果简单点就说hey Mary this is my mother,my father,my ...and this is Mary 介绍时要一一指明相关人物