Her pupils were dilated. Her expression was vacant.

她的瞳，表情很茫然。

Even really good actors probably can't control their pupils.

再好的员也没法控制自己的瞳。

The center of one's eye, the pupil, is dark and round.

眼睛的中心是瞳，瞳是暗色的、圆形的。

Harry saw is pupils contract to thin slits, saw the skin around his eyes whiten.

哈利看到他的瞳缩成了两条窄窄的细缝，看见他眼睛周围的皮肤变白了。

Your pupil is the size of a nickel.

你的瞳就跟五分硬币一样大。

Also, the affected pupil becomes dilated and fails to constrict in response to light.

此，受影响的瞳会放大，对光反射消失。

If someone widens their pupils, then this may indicate their approval.

如果有人瞳，这可能代表着他们的认可。

Their pupils adjust to any lighting like magic.

它们的瞳能神奇地适应任何光线。

Your pupils dilate when you're scared, nervous or excited.

当你害怕、紧或兴奋时，你的瞳会放大。

Pupils are black because most of the light that enters them is absorbed.

瞳是黑色的，因为进入瞳的大部分光线被吸收了。

House cats, for one, are twilight hunters with vertically elongated pupils.

举个例子，家猫是黄昏猎手，瞳垂直拉长。

Next, a flashlight is used to check for pupil response.

接下来，用手电筒检查瞳反应。

They also oppose changing physical qualities such as eye color or height, the study found.

他们还反对改变瞳颜色或身高等身体特质。

And the woman with larger pupils was described as soft, more feminine, and pretty.

而瞳较大的女性则被描述为温柔、更有女人味、更漂亮。

Their pupils that can see through the texts of time.

她有看透岁月篇章的瞳。

When you shine a light on HAL's eyes, his pupils may or may not dilate.

当你用光照射 HAL 的眼睛时，他的瞳会根据病情选择性地放大或不放大。

During totality it's dark, so your pupils have dilated to let more light in.

日全食时天空完全黑暗，你的瞳会来让更多的光线通过。

Lastly, your pupils sometimes dilate if you're in love or if you're aroused.

最后，当你恋爱或被唤醒时，你的瞳有时会放大。

The pupils enlarge when there is no light.

没有光的时候，瞳会放大。

It is always round, however bright the light may be.

不管光线怎么强烈, 瞳一直是圆的。