▲是的。“独生子女”的英文是：【单数】only child  【复数】only children 

例如：

1. I'm an only child.  我是独生子。 来自权威词典

2. As an only child he was the idol of his parents.  作为独子，他是父母的宠儿。来自《简明英汉词典》

3. I was an only child, and so had no experience of large families.  我是独生子，因此没有在大家庭里生活的经历。 来自柯林斯例句

4. An only child is often left to his own resources, ie left to amuse himself.  独生子女往往要自寻乐趣。来自辞典例句

5. Only children are sometimes spoilt.  独生子女有时被宠坏了。来自《简明英汉词典》

6. Many only children are doted upon by their parents these days.  如今的独生子女备受父母娇宠。来自辞典例句

▲有时，only children 不表示“独生子女”，这时，only 表示“仅仅，只是”，这需要根据上下文判断。

1. I must emphasize the fact that they are only children.  我必须强调这一事实,即他们只不过是孩子。来自辞典例句

2. Only children whose parents are existing savers may open an account.  只有现有储户的孩子可以开立账户。来自《简明英汉词典》

3. Only children would get into a bother over this.  只有小孩子才会为这个担心。

4. Only children under five are excepted from this survey.  这次调查仅仅不包括五岁以下的儿童。