Then he wakes up swimming at the… in the projection booth, falls off his stool.

然后他在放映室的… … 游泳中醒来，从凳子上摔下来。

Projector brightness, which can be affected by the age and cleanliness of the bulb, along with any dirt or smudges that may be on the window of the projection booth.

投影机的亮度，它会受到使用时间灯泡的清洁程度，以及任何可能出现在放映室窗户上的灰尘和污渍的影响。