"独生子"的英语

the only child

独生子
only son / only child

他是独生子。
He is an only son.

由于他是独生子，父母对他总是百依百顺。
Since he was an only child, his parents pandered to his every whim.

an only son;
an only child;
a singleton

就only child吧, singleton好奇怪,从来没用过

i'm the only child in my family