The doctor says your eyes can't be exposed to any light.

医生说你眼睛不能暴露在光线下。

A thin wisp of silver escaped his wand and hovered like mist before him.

他魔杖冒出缕银色光线，样在他面前摇曳。

To paint not objects in light, but the light itself.

他们不描绘光线中物体 而是光线本身。

And that red light is just scattered light in the camera optics.

那条红色光线只是相机 光学部件散射出光。

Far below me, the ground fell away and down to a river.

远远地，在我下方，地面（仿佛在随光线）向下延伸，（逐渐）退落，显露出谷底河流。

ST. CLAIR: The ability of Vantablack is to really make us think more about the light that we have access to.

纳米碳管黑体作用让我们更加深入地认我们天天见到光线。

That helps to spread the light around.

这有助于光线扩散。

Reading in dim light does harm to the eyes.

在昏暗光线下看书对眼睛有害。

A large retina collects more light, more visual information.

巨大视网膜能收集更多光线和视觉信息。

It must have been a trick of the light.

定是光线问题。

Vision depends on light entering the eye...a form of ocular intromission, if you will.

视觉依赖于进入眼睛光线，如果你不介意这种说法话，这是种“眼睛插入”。

So if lights bending, that means that space and time have to be warped.

所以如果光线弯曲，那就意味着空间和时间必须是弯曲。

Do not read in dim light, or you're likely to become nearsighted.

别在暗淡光线下看书，否则你可能会得近视。

Dr Schwartz and his team coaxed embryonic stem cells to become retinal pigment epithelium tissue which supports the rod and cone cells that actually respond to light

他团队诱导胚胎干细胞成为视网膜色素上皮组织细胞－其中杆细胞及锥晶细胞对光线敏感。

The whole darkening room depressed her and, going to the window, she raised the sash, unlatched the shutters and let the last light of the wintry sunset into the room.

整个那间愈来愈暗房子都令她沮丧，这时她走到窗前，举起窗棂，打开百叶窗，将冬日傍晚最后光线放进房里。

He stumbled to a halt, clutching at the stone wall, listening with all his might, looking around, squinting up and down the dimly lit passageway.

他踉跄着停下脚步，抓住石墙，全神贯注地听着，边环顾四周，眯着眼睛在光线昏暗过道里上上下下地寻找。

When we consider the nightly lifestyle of these bats, we will see they have to be sensitive to the changing light levels.

当我们考虑到这些蝙蝠夜间生活方式时，我们会发现它们必须对不断变化光线水平保持敏感。

The brown blotches of the benevolent skin cancer the sun brings from its reflection on the tropic sea were on his cheeks.

腮帮上有些褐斑，那是太阳在热带海面上反射光线所引起良性皮肤改变。

The passports of many countries contain images of their well-known geographical features and wildlife, which also function as security features, as some are only visible under a special light.

许多国家护照上都有其著名地理特征和野生动物图，这些图也具有安全功能，因为有些图只有在特殊光线下才能看到。

Well, talk us through this animation, because it's light being lensed around it.

好吧，通过这个动画告诉我们，因为它周围光线很轻。