graded shoreline

例句：

1. 1. The students were graded based on their performance.
   学生们根据他们的考试成绩被分级。
2. 2. The graded list of books is available online.
   分级的书籍列表可以在线上找到。
3. 3. The graded system ensures fairness in the evaluation process.
   分级系统确保评估过程的公平性。