• 血亲

relationsn.交往；事务；关系名词relation的复数形式.relationshp between name and reality名实关系relations between teachers and pupils师生关系relations between mother and daughter母女关系relations between Indonesia and China印尼对华关系relations between man and high-land山地人地关系relations between management and labor劳资关系relations between doctors and patients医患关系relations between language and culture语言和文化的关系relations between parents and children父母子女关系relations between teachers and students师生关系