标兵

例句：

1. 1. He is a role model for his students.
   他对学生来说是榜样。
2. 2. The teacher was an exemplar of integrity.
   这位老师是诚信的典范。
3. 3. They are looking for a role model to follow in their new endeavors.
   他们在寻找一个榜样来跟随他们的新事业。