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Overhead projector
01
高射投影仪
a device that projects images or text from a transparency onto a screen or wall
例子
The university lecture hall had multiple overhead projectors for large class presentations.
The teacher used an overhead projector to display the lesson notes to the class.
The presenter set up the overhead projector for the business meeting to showcase the sales figures.
The conference room was equipped with an overhead projector for training sessions.
She prepared transparent slides to use with the overhead projector during her presentation.
