single riveted

例句：

1. 1.He has a single room in the house.
   他在房子里有一个单人房。
2. 2. She is single and doesn't have any family.
   她未婚，没有家人。
3. 3. The single parent must work hard to provide for their child.
   这位单身父母必须努力工作来供养他们的孩子。