cinema projector

例句：

1. 1.The cinema projector was the centerpiece of the screening.
   电影院放映机是这次放映的焦点。
2. 2.The movie projector was so loud that it drowned out the sound of the crowd.
   电影放映机的声音太响了，把人群的声音都淹没了。
3. 3.The theater projector was perfect for showing short films during a break.
   剧院放映机非常适合在休息时间播放短片。