他摘下眼镜慌乱地擦镜片。
He took off his spectacles and rubbed frantically at the lens.
镜片后的眼睛黑黑的且快速转动着，一眼就能看清一切。
The eyes behind the lenses were dark and quick-moving, taking in everything at a glance.
它的镜片系统可以将光线聚焦到相机后部的胶片上。
It has a lens system to focus light onto the film at the back of the camera.
有些人会带很多配件，比如额外的镜片，但对于这门课来说真的没有必要。
Some people bring along a lot of accessories like extra lenses, but there's really no need for this class.
伽利略并没有发明望远镜，但在1609年听到有人制造了这种光学仪器后，他很快用管风琴管和眼镜镜片制造了自己的望远镜。
Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he quickly built his own device from an organ pipe and spectacle lenses.
树林中海雾正滴着，水气蒙上了汤姆的眼镜片。
Amid the trees the sea mist was dripping and moisture formed on Tom's glasses.
他胸前留着飘逸的白胡子，戴着一副没有镜片的金框眼镜。
A flowing white beard covered his chest and he wore gold-rimmed spectacles from which the glasses had dropped out.
结果，强生公司进入了软性隐形镜片市场。
确保不要太大，镜片底部不能超过鼻孔。
To ensure against too big, the bottom of the lenses shouldn't extend below the flare of your nostrils.
而微软设计的楔形镜片则不存在这些缺点。
The design of the wedge lens bypasses this problem, explains Bathiche.
你现在镜片里都可以放闪粉和钻石了。
now you can have glitter and diamonds in your contacts as well.
视力模糊—通常很快过去并且通常不需要新的矫治镜片。
Blurred vision-often passes soon and usually will not require a new corrective lenses prescription.
当说到线的问题时，他镜片后的蓝眼睛睁大了。
His blue eyes widened behind his glasses as he moved to the topic of thread.
要看3d的影片，观看者必须戴上有蓝色和红色镜片的眼睛。
To see the footage in 3d, viewers must wear spectacles with red and blue lenses.
将水注入镜头的腔中时，会把平时平面的镜片变成凸出的半球。
Putting water into the lens' chamber turns the normally flat lens a convex hemisphere.
这种镜子在灯塔较为常见，需要更大，更薄的镜片来放大光线。
These are commonly found in lighthouses to magnify light in a way that would normally require a much larger, thicker lens.
这些措施包括把一片碎镜片放到墓碑上或把碎片碾成粉末。
These include touching a piece of the broken mirror to a tombstone or grinding the mirror shards into powder.
忘了提了，这款滑雪镜采用偏光镜片，可以过滤掉99%的强光。
Oh, and not to mention, they use anti-fog polarized lenses which block out 99% of glare.
每一个镜片包含一片校正过距离的外镜和一片可变焦的内镜。
Each lens consists of an outer lens with a corrective distance prescription, and a flexible inner lens.
而且堆积在传感器上的蛋白质会影响传感器运作并减少镜片的使用寿命。
Proteins then build up on the sensors, affecting their operation and reducing the useful lifespan of the lens.
文章中的图片已经过了裁剪和强调以增加对比度，镜片处理工具已被移除。
The image in this article has been cropped and enhanced to improve contrast. Lens artifacts have been removed.
然而，使用这项技术有一个问题：电极并没有密封于镜片内，而是暴露在外。
But there is a problem with using amperometric sensing: the electrodes are not sealed within the lens, and therefore are exposed.
但是当望远镜镜片直径翻一番时，如果设计不变，其重量会增加四倍。
But doubling the diameter of the telescope's mirror, without changing its design, would increase its weight fourfold.
彩色隐形眼镜的另一大问题就是，佩戴者比起镜片尺寸而言更在乎外观。
Another big problem with colored contacts is that wearers care more about looks than sizes.
我的旧眼镜镜片只有26毫米高，所以我希望新镜片高度在30毫米左右。
My old too-short lenses were only 26mm tall, so I was looking to get something with around 30mm of lens height.
它控制交通灯，确保获得进出体育场馆的人群安全，为我们的眼镜镜片设计。
It controls traffic lights, gets crowds safely into and out of sports stadiums, designs the lenses in our spectacles.
它控制交通灯，确保获得进出体育场馆的人群安全，为我们的眼镜镜片设计。
It controls traffic lights, gets crowds safely into and out of sports stadiums, designs the lenses in our spectacles.
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