nucleus family

• 核心家庭

nucleus family的用法和样例：

例句

1. The mother and father form the nucleus, or center, of the nuclear family.
   父亲和母亲形成核心家庭的核心或中心。
2. The children stay in the nuclear family until they grow up and marry.
   孩子们在核心家庭中生活一直到长大结婚。