perpetual guardianship

例句：

1. 1.The family has been granted perpetual guardianship over their children.
   这个家庭被授予了对他们孩子的永久监护权。
2. 2. The child's mother was appointed as the guardian for his perpetual guardianship.
   孩子的妈妈被任命为他的永久监护权监护人。
3. 3. The decision to grant perpetual guardianship to the child was made after careful consideration of all relevant factors.
   在充分考虑所有相关因素后，决定授予孩子永久监护权的决定已经做出。