duplicate part

例句：

1. 1.The teacher asked us to duplicate the experiment results.
   老师让我们复现实验结果。
2. 2. She copied the recipe from a cookbook.
   她从一本食谱书上抄了菜谱。
3. 3. The student tried to duplicate his teacher's example.
   学生试图复现老师的示范。