晚上，瞳孔放大以便让更多的光线射入。
病人的瞳孔放大了。
她的瞳孔扩大了。
大多数熊的眼睛有圆形的瞳孔。
病人可做瞳孔扩张检查。
他的瞳孔是棕色的。
它的瞳孔长很大。
当瞳孔横向伸展的时候，更多的光能够从前面、后面和侧面进入。
When stretched horizontally, the pupils allow for more light to enter from the front, back, and sides.
中国螳螂的眼睛有“假冒的瞳孔”，好像一直盯著你看，但其实它们的眼睛并没有动。
Chinese Mantis eyes have "pseudo pupils" that seem to follow you around, but the eyes do not really move.
该理论认为，围绕在深色虹膜和瞳孔周围的白色巩膜帮助人们判断出其他人在看哪里。
The theory is that a white sclera surrounding a darker iris and pupil helps people work out where everyone else is looking.
LASIK 眼科手术改变了你的角膜的形状——角膜是覆盖在你的瞳孔和你的眼睛的有色部分（虹膜）上的弧形透明膜。
LASIK eye surgery changes the shape of your cornea—the transparent membrane that arcs over your pupil and the colored part of your eye (iris).
他的双眼瞳孔似乎稍微扩大了些。
如果鸟类的瞳孔时不时地变大变小，这可能是它们兴奋、害怕或生气的迹象。
If birds make their pupils large and small from time to time, this can be a sign that they are excited or scared or angry.
目的是研究度量尺，视频重构和瞳孔计在测量瞳孔距离（PD）方面的差异。
The objective is to investigate difference of metric ruler, videorefactor and pupillometer in measuring pupillary distance (PD).
瞳孔有不正常尺寸或者形状。
另一个她对你有兴趣的信号是瞳孔的扩张。
怪异的事实：与许多动物不一样，山羊的瞳孔是矩形的。
Weird Fact: Unlike most creatures, goats have rectangular pupils.
它也可能引起瞳孔膨胀，血压增高和心率不齐。
It has been observed to cause the pupils to dilate, increase blood pressure, and increase the heart rate.
瞳孔几乎是乌黑的。
手指平稳地向鼻柱移动，观察瞳孔收缩会聚情况。
Move finger smoothly toward nasal bridge; watch for pupil constriction and convergence.
作为对光线作出的反应，眼睛的瞳孔会放大或缩小。
The pupil of the eye dilates and contracts in response to light.
雅戈说：“它们用奇怪的方式转动着脑袋，然后瞳孔跟着你转。”
They move their head in that quirky way, and then this pupil follows you around.
这种望远镜取代眼睛的瞳孔，提供可放大三倍的图象。
The telescope replaces the eye's nature lens and can provide an image that is magnified by almost three times.
雅戈说：“它们用奇怪的方式转动著脑袋，然后瞳孔跟著你转。”
They move their head in that quirky way, and then this pupil follows you around.
当瞳孔放大被认为不可控时，扑克牌玩家们经常带着墨镜以掩盖他们瞳孔的变化。
Poker players often wear dark glasses to hide the dilation of their pupils when they are aroused that they cannot control.
棕色瞳孔的你一直渴望拥有一双碧蓝的眼睛，现在实现梦想的机会来了。
If you've always wanted blue eyes, but have brown instead, there might be something you can do to change that.
我认为改变瞳孔颜色的这个想法很有意义，它可以使我们的心灵之窗更透亮了。
I think there is something very meaningful about this idea of having open Windows to the soul.
我认为改变瞳孔颜色的这个想法很有意义，它可以使我们的心灵之窗更透亮了。
I think there is something very meaningful about this idea of having open Windows to the soul.
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