独生女的英文：
an only daughter

Paula is a singleton.
波拉是独生女。

But, Hannah, an only child, possessed a more adventurous personality.
但是，汉娜是一个独生女，性格中更富有冒险精神。

They dote on their daughter.
他们把女儿视为掌上明珠。

Charity is the daughter of civilization.
博爱为文明的产物。

My daughter is keen of hearing.
我的女儿听觉灵敏。

Do not prostitute your daughter.
千万别使你们的女儿卖身。

My daughter works in insurance.
我的女儿在保险业工作。