guandmother奶奶grendfather爷爷mother妈妈father爸爸son儿子sister姐姐aunt姨母uncle叔叔daughter女儿grandparent爷爷或奶奶gyangparents爷爷和奶奶parent爸爸或妈妈parents爸爸和妈妈.brother 兄弟,sister 姐妹,so...