用英语来解释这个句子！！！

I am the only child in my family .That means there is no other children in my family or I have no brothers or sisters.

My parents have only one child, that's me.

there is only one child in my family. that is me.

I have neither sisters no brothers.

中文是 我是家里唯一的孩子。也就独子 only son