projector

投影仪正投放着演示文稿。

A ___projector is displaying a presentation.

我们公司会议室里的投影仪坏了，没法播放演示文稿。

The ___projector in our meeting room is broken, so we can't display the presentation.

会议室里的投影仪坏了，我们不得不推迟演示。

The ___projector in the meeting room is broken, so we have to postpone the presentation.