childless

例句：

1. 1. The couple is childless and has no children.
   这对夫妇没有孩子。
2. 2. She was childless for many years due to her illness.
   由于她的疾病，她多年没有孩子。
3. 3. The house was childless, meaning it had never been occupied by a family.
   这所房子是空置的，意味着它从未被家庭占据过。