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。
磨制巨型望远镜的镜片价格非常昂贵。
The lenses for giant telescopes are very expensive to grind.
他每天的工作是制作照相机镜片的毛坯。
我喝茶时眼镜片上会蒙上一层水汽。
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.
目前开发现实增强隐形镜片的难点包括。
Some of the obvious challenges of building an augmented reality contact lens include.
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.
镜片一定要是黑色的么？
我需要买新的眼镜框，不过我会留着旧镜片。
I need to buy new spectacle frames but I will keep the old lenses.
镜片一般都是灰色。
有可能出现在镜片上的所有资讯都会看起来很模糊。
Any information projected on to the lens would probably appear blurry.
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.
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.
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.
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