kinless

例句：

1. 1. He is akin to a kinless person in many ways.
   他在许多方面与一个没有亲属的人相似。
2. 2.The family was kinless, and they had no idea who their parents were.
   这个家庭是无亲的，他们不知道他们的父母是谁。
3. 3. They found the kinless child on the street, and they decided to adopt him.
   他们在街头发现了这个无亲的孩子，并决定收养他。