氏

例句：

1. 1. He has a surname that is quite common in his hometown.
   他的姓在家乡相当常见。
2. 2. The family name of the founder of the company is Smith.
   公司创始人的姓是史密斯。
3. 3. She chose her surname based on her father's wishes.
   她选择了她的姓，这是基于父亲的希望。