鸟类的眼睛是很复杂的，就像人类一样，鸟类的眼睛能够察觉到电磁波谱上从紫色到红色的光线。

The avian eye is complex. Like humans, birds' eyes can detect light along the electromagnetic spectrum from violet to red.

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光线从每只眼睛里叫瞳孔的启齿处进入到眼睛里。

Light goes in each eye through an opening called the pupil.

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从鼻子末端到眼睛的距离很明显地要比从眼睛到头颅的距离要大。

The distance from the tip of the nose to the eyes should be perceptibly greater than that from the eyes to the top of the skull.

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So, what we know is happening is that were having transitions from some excited states to a more relaxed lower, more stable state in the hydrogen atom.

我们知道，这里所发生的是,氢原子从激发态到更低更稳定的态的跃迁，而我们用眼睛可以探测到的。

麻省理工公开课 - 化学原理课程节选

Here's one climbing out of the pool: First her face appeared, long and cadaverous, with a bandage-like bathing cap coming down almost to her eyes, and sharp teeth protruding from her mouth.

有一个女人从游泳池中出来了，首先是她的脸，修长,而惨白，如绷带般的泳帽从她的头部,耷拉到她的眼睛，锋利的牙齿从她的口中突出。

耶鲁公开课 - 1945年后的美国小说课程节选