The method involves a piece of copper covered with light sensitive bitumen.

该方法用到一片铜片，上面用光敏感的沥青覆盖。

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A compass made of light promises to be more sensitive than anything in a Boy Scout's wildest dreams.

一个用光制作的罗盘保准比一个小童子军最荒诞不经的梦中的任何东西都要来的敏感。

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On the one hand you may know very well that you carry a spiritual light within, that you are a sensitive, compassionate and wise person.

一方面你可能清楚的知道你心中承载着灵性之光，你是一个敏感，慈悲和有智慧的人。

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It is also needed to make a light-sensitive substance in the eyes.

VOA: special.2009.04.21

Photodynamic therapy involves the injection of a light-sensitive medicine called verteporfin into a vein in the arm.

BBC: Age-related macular degeneration

That's the trick performed by holographic disk drives, which record a series of 1-million-bit chunks of data as holographic "pages" inside a light-sensitive plastic medium.

FORBES: Deep Storage

The goal was to substitute photoreceptors with a light-sensitive material capable of restoring photosensitivity to the retina, by easing down the retina on a layer of organic photovoltaic semiconductor.

FORBES: Artificial Retina From A Photovoltaic Polymer