septum renis

例句：

1. 1. The book has a septum renis at the beginning of the chapter.
   这本书在章节的开头有一个分隔线。
2. 2. The teacher drew a septum renis to divide the room.
   老师画了一条分隔线来划分房间。
3. 3. The student wrote a septum renis on the paper to mark his answer.
   学生在纸上画了一条分隔线来标记他的答案。