cut-off slide

例句：

1. 1.The teacher used a cut-off slide to illustrate the concept of time.
   老师使用一个切断的幻灯片来说明时间的概念。
2. 2. The student tried to cut off the slide during the presentation.
   学生在演示中试图切断幻灯片。
3. 3.The projector was broken, so we had to use a cut-off slide instead.
   投影仪坏了，所以我们不得不使用一个切断的幻灯片。