senior class

例句：

1. 1. The senior class is preparing for the upcoming exams.
   高年级班级正在为即将到来的考试做准备。
2. 2.In the senior class, students are encouraged to participate in extracurricular activities.
   在高年级班级，学生们被鼓励参加课外活动。
3. 3.The senior class has a unique culture and traditions that set it apart from other classes.
   高年级班级拥有独特的文化和传统，与其他班级不同。