姊

例句：

1. 1. She is my elder sister and we share the same birthday.
   她是我的姐姐，我们同一天出生。
2. 2. My sister is studying abroad in New York.
   我的姐姐正在纽约留学。
3. 3. They are sisters who grew up together.
   他们是从小一起长大的姐妹。