only child
US /ˈoʊn.li ˌtʃaɪld/
UK /ˈoʊn.li ˌtʃaɪld/

名词
1.
独生子女, 独生子, 独生女
a child who has no siblings
示例:
•
Being an only child, she sometimes wished for a brother or sister.
作为独生子女,她有时希望有个兄弟姐妹。
•
He grew up as an only child in a quiet neighborhood.
他在一个安静的社区里作为独生子女长大。
在 Lingoland 学习这个单词