Her pupils were dilated. Her expression was vacant.

她的瞳孔扩张，表情很茫然。

Her face went whiter and her brown eyes dilated enormously.

她的脸色更苍白，那双褐色的眼睛也瞪到了吓人的程度。

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

日全食完全黑暗，你的瞳孔会扩张来让更多的光线通过。

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，他的瞳孔会根据病情选择性地放或不放。

It is a fact that when a person sees something appealing to them, their pupils dilate.

事实上，当一个人看到吸引他的东西，他的瞳孔会放。

In the dim light of the radiology room, her pupils were dilated into deep black pools.

在放射科昏暗的灯光下，她的瞳孔放成一片深黑色。

Harry could have sworn his over-large nostrils were dilating, trying to sniff Harry out.

哈利敢肯定，他本来就的鼻孔张得更了，像要嗅出哈利所在的位置。

Rada's cardiac tissue showed clear signs of dilated cardiomyopathy.

蕾达的心肌显显示出扩张型心肌病的特征。

Ms Sumner, your pupils are dilating.

萨姆纳小姐，你瞳孔在扩。

With no need for eye drops that dilate your pupils for hours.

如此一来，你不需要再检查眼睛前滴上散瞳药水了。

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

当你害怕、紧张或兴奋，你的瞳孔会放。

This is where the arteriole walls develop hyaline deposits, which makes it harder for them to dilate.

这是小动脉壁形成透沉积物的地方，使得它们很难扩张。

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

此外，受影响的瞳孔会放，对光反射消失。

When animals get hot, tiny capillaries near the surface of the skin dilate.

动物热的候，体表的毛细血管扩张。

Dilated pupils indicate strong feelings: playfulness, agitation, fright, or aggression.

瞳孔放代表着强烈的情感：玩耍、激动、害怕或攻击行为。

Your ability to sweat, dilating your blood vessels, all those things help promote heat loss.

你的出汗能力，扩张血管的能力，所有这些能力都有助于散热降温。

It was said to make their pupils dilate so that they would look more beautiful.

据说这能让瞳孔变，让她们看起来更漂亮。

These can let through too much infrared and ultraviolet light, and again can dilate your pupils, actually making things worse.

过多的红外线和紫外线都能穿过他们，同样会使瞳孔扩散。实际上让情况更糟糕。

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，你的瞳孔有会放。

At regular concentrations of about 1 percent, atropine is used to dilate the pupil for eye exams.

浓度为1%的阿托品通常被用于在眼科检查中放瞳孔。