It allows us to look at a painting the way our eyes work tonally.

它让我们看一幅画的方式，我们的眼睛工作调性。

Scanning of the iris, the colored part of the eye works because the iris hardly changes through a lifetime.

虹膜是眼睛的有色部分，扫描虹膜有效是因为虹膜在人的一生中鲜有变化。

You see, what happened is both my eyes worked perfectly individually.

你看，发生的事情是我的双眼各自完美地工作。

Too little light makes the eyes work harder, so they do get tired and strained.

光线太弱会很累眼，因此确实会造成眼疲劳。

He was a seven-foot giant with a mad glint in his one working eye and a beard like exploding fireworks.

他是一个七英尺高的巨人，一只工作眼睛里闪烁着疯狂的光芒，胡须就像燃放的烟花一样。

But what if, instead, your eyes worked as a positive feedback mechanism? In sunlight, your pupils would open wide and damage your eyes.

但要是人的眼睛发挥的是正面反馈机制作用，结果会怎样呢？在太阳光下，瞳孔就会张大，从而对眼睛造成伤害。

Squid have taught us about how our neurons communicate, and the horseshoe crab has taught us about how our eyes work.

鱿鱼教会了我们神经元如何交流，而鲎教会了我们眼睛的工作原理。

And from what we can tell about how this eye works, it seems unlikely that the eye can focus very well.

从我们对这只眼睛工作原理的了解来看，这只眼睛似乎不太可能很好地聚焦。

Yes, she scares me. She stands so close when she talks to me and stares straight into my eyes. Work can also be full-on when it's busy.

对，她让我感到害怕。她和我说话的时候站得离我非常近，而且直直地盯着我的眼睛。工作非常忙的时候也会令人紧张。

Now if the lenses in our eyes worked like this, our eyes would pretty much have to be as big as the thing we wanted to look at.

现在，如果我们眼睛中的晶状体像这样工作，我们的眼睛几乎必须和我们想看的东西一样大。

Well, the old idea that our eyes work like a camera, that motion is burned into our eyes the way light hits film, that turns out to be wrong or at least incomplete.

旧的观点认为我们的眼睛像照相机一样工作，这种运动是在我们的眼睛里被记录下来的，就像光线照射胶片一样，事实证明这是错误的，或者至少是不完整的。