Projector
01
投影仪, 视频投影仪
a device used for making images or videos appear on a screen, wall, or other flat surfaces
例子
The classroom was equipped with a state-of-the-art projector, allowing teachers to display educational videos and presentations.
教室配备了一台最先进的投影仪，允许教师播放教育视频和演示文稿。
They set up a projector in the backyard for an outdoor movie night, casting larger-than-life images onto a white sheet hung between trees.
他们在后院设置了一个投影仪用于户外电影之夜，将比生命更大的图像投射到挂在树间的白布上。
02
an optical device that emits or directs a beam of light
例子
The lighthouse projector guided ships safely to shore.
Firefighters used a powerful projector to illuminate the disaster site.
