Photographic paper is highly sensitive to light.

感（相）十分敏感。

A postcard design is first burned into photographic paper, then it is transferred onto cards.

一张明信的设计是首先被烧成相，然后被转移到卡上。

What kind of printing paper do you have?

你们有什么相？

The team added barium sulfate, often used to make photo paper, and calcium carbonate, something you'd find in rocks or shells, to make an even whiter, even more reflective, even cooler surface.

研究小组添加了硫钡（通常用制作相）和碳钙（你可以在岩石或贝壳中找到的东西），以制造更白、更反、更凉爽的表面。

The paper is coated with chemicals that react to light, imprinting the image as the layers separate.

这种相上涂有遇发生反应的化学物质，在夹层分离时便可印出图像。

First introduced in 1947, peel-apart instant film develops by manually peeling apart layers after a photo is taken.

撕 1947 年首次推出，其显影方式是在拍照后手动撕开相夹层。

It was a process that involves placing random  objects, such as tacks, Combs, or coils of wire, directly onto light sensitive photographic paper  and then exposing it to light.

这是一个过程，涉及将随机物体，如图钉、梳子或线圈直接放置在感相上，然后将其曝线中。

Silver, which was once confined to just coins and spoons and later photographic paper, is currently used in solar panels, advanced batteries, and high-tech electronics.

银，昔日仅限铸币和餐具，后来用照相，如今则广泛应用太阳能电池板、先进电池以及高科技电子产品中。