If you shine light through a slide using a projector, you can make the photograph appear on a screen.

用幻灯机放映幻灯片可将图像投射到幕布上。

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If you shine light through a slide using a projector, you can make the photograph appear on a screen.

用幻灯机放映幻灯片可将图像投射到幕布上。

youdao