晚上，瞳孔放大以便让更多的光线射入。
病人的瞳孔放大了。
用肉眼看来，很难辨识这些符号，不过通过放大镜你可以看到在右边瞳孔(从画作上看是左边)后隐藏的字母lv。
To the naked eye, the symbols are hard to distinguish, but with a magnifying glass you can see the letters LV behind the right pupil (the left when watching the painting).
如果司机戴着手套，仪表盘上的摄像头将查验其瞳孔是否放大，车载电脑会检测驾驶行为是否反常。
If the driver is wearing gloves, a camera on the dashboard will check for dilated pupils and the car's computer will detect erratic steering.
这意味着当我们的瞳孔在微弱光线下放大时，实际上我在用已被矫正的瞳孔区域和一小部分未被矫正的区域看东西。
This means that in low light, when my pupils widen, I am seeing with the corrected zone and with a small uncorrected area.
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.
一种解释是，当一个人面对她所喜爱的东西的时候，她的瞳孔会自然扩张，例如，女人和幼儿（没有男人）在看到婴儿时，她们的瞳孔会自动放大。
For instance, the pupils of women and infants (but not men) spontaneously dilate when they see babies. Pupil dilation is an honest indicator of interest and attraction.
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.
面对彩色方格图片，有19人再次出现心跳加快、瞳孔略微放大的状况。
Face chromatic pane picture, 19 people appear again the heartbeat is accelerated, the state that pupil appreciably magnifies.
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.
光线非常微弱时，瞳孔放大，让更多的光线进入眼睛。
The pupil opens wide in very dim light, and lets in much more light.
爱情会让你体验到一种与深度恐惧一样的压迫感。你会产生与恐惧一样的生理学反应——瞳孔放大、手掌出汗、心跳加速。
Love can also exert the same stress on your body as deep fear. You see the same physiological responses-pupil dilation, sweaty palms, and increased heart rate.
比如，女性和婴儿(不是男性)的瞳孔会当在看到婴儿的时候自觉地放大。
For instance, the pupils of women and infants (but not men) spontaneously dilate when they see babies.
当你走进暗室时，你的瞳孔就会放大。
医生：验光需要放大瞳孔，这样我们可以得到准确的屈光度。 %。
It's necessary to dilate the pupils for the eyetest . In this way we can get the exact dioptre.
科丁顿放大镜实质上是一个球，球面上开槽，使得孔径小于眼的瞳孔。
The coddington is essentially a sphere with a slot cut in it to allow an aperture smaller than the pupil of the eye.
他的瞳孔有没有放大？
有时我们觉得某人“热情”或“友好”，这可能是因为他的瞳孔放大这种非语言交际方式的影响所致。
Sometimes when we feel that a person is "warm" or "friendly", it is possible we are reacting to a form of non-verbal communication - his opened pupils.
此外也发现病患有嘴角歪斜至左侧和两侧瞳孔放大的情形。
Besides, the Angle of mouth deviated to left side and dilated pupil size of the bilateral eyes were noted.
随着进入眼睛的光的多少，瞳孔可以缩小或放大。
The pupil can be narrowed or widened according to the amount of light that enters the eyes.
肉毒梭菌中毒，潜在致命形式的食物中毒，可引起下列症状：全身无力，头晕，瞳孔放大、说话或吞咽困难。
Botulism, a potentially fatal form of food poisoning, can cause the following symptoms: general weakness, dizziness, double - vision and trouble with speaking or swallowing.
如果司机戴着手套，仪表盘上的摄像头将查验其瞳孔是否放大，车载电脑会检测驾驶行为是否反常。
If the driver is wearing gloves, a camera on the dashboard will check for dilated pupils and the car 's computer will detect erratic steering.
结果表明：在文本阅读中，疲劳会使瞳孔缩小，心理负荷增大会使瞳孔放大，一定的心理负荷可以起到维持瞳孔大小不变的作用；
The results showed that in text reading, pupil diameter decreased with fatigue, whereas increased with mental load and persisted with sustained mental load;
这种目镜之所以是绿色的，是因为当使用目镜者摘下目镜时，瞳孔可以继续保持放大状态，这样就可以微弱的光线中保持“夜光眼”。
The reason it's in green is because when you put the unit down, you want your eyes to remain dilated so you can see in dim light.
这种目镜之所以是绿色的，是因为当使用目镜者摘下目镜时，瞳孔可以继续保持放大状态，这样就可以微弱的光线中保持“夜光眼”。
The reason it's in green is because when you put the unit down, you want your eyes to remain dilated so you can see in dim light.
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