points of the back

例句：

1. 1.The teacher pointed out the mistakes in the test paper.
   老师指出了试卷上的错误。
2. 2.He made a point of visiting his grandmother every Sunday.
   他坚持每个星期天都去看望祖母。
3. 3.The project has several points that need to be addressed.
   这个项目有几个需要解决的问题。