telecine projector

例句：

1. 1. The teacher demonstrated how to use the telecine projector.
   老师演示了如何使用投影仪。
2. 2. The students used the telecine projector to show their presentation.
   学生们使用投影仪来展示他们的报告。
3. 3. The telecine projector was a popular choice for classroom presentations.
   投影仪是课堂演示的热门选择。