blended family

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˌblended ˈfamily noun [countable]  a family in which one or both parents have children from previous marriages living with the family 混合家庭〔指有夫妻一方或双方前一次婚姻中的孩子同住的家庭〕

Examples from the Corpus

blended family• In the following decades she raised a blended family of five daughters and three sons.

ˌblended ˈfamily nounChineseSyllable  

or Corpus both one which in family a

blended family
ˌblended ˈfamily noun [countable]
a family in which one or both parents have children from previous marriages living with the family

blended familyBrE /ˌblendɪd ˈfæməli/ 🔊NAmE /ˌblendɪd ˈfæməli/ 🔊 noun (especially NAmE) a family that consists of two people and their children from their own relationship and from previous ones 混合家庭（成员包括夫妇、其子女及其各自过去关系中所生的子女）