"projectors" in Chinese (Simplified)
投影仪
Definition
将图像、视频或演示投射到表面（通常是墙面或屏幕）上的设备。
Usage Notes (Chinese (Simplified))
常用于教室、会议室和电影院。现代多指数字投影仪，也可以指老式胶片机。常见用法有“电影投影仪”、“投影仪设备”等。复数指多个设备。
Examples
Our classroom has two projectors for showing videos.
我们的教室有两个**投影仪**用来放映视频。
The movie theater uses large projectors to display films.
电影院用大型**投影仪**放映电影。
New projectors are much brighter than old ones.
新的**投影仪**比老的亮多了。
We had trouble with both projectors during the conference—they kept turning off.
在会议期间，我们的两个**投影仪**一直出故障，总是自动关机。
In big meetings, we sometimes set up extra projectors so everyone can see clearly.
大型会议时，我们有时会增设**投影仪**，让大家都能看清楚。
The school replaced all its old projectors with new high-definition models last year.
去年学校把所有旧的**投影仪**都换成了高清新款。