bro

例句：

1. 1. He is my brother and I love him very much.
   他是我哥哥，我非常爱他。
2. 2. She has a brother who lives in another city.
   她有一个住在另一个城市的哥哥。
3. 3. They have a brother who is studying abroad.
   他们有一个在国外学习的弟弟。