Some adjustment of the lens may be necessary.
可能需要调整一下镜头。
He took off his spectacles and rubbed frantically at the lens.
他摘下眼镜慌乱地擦镜片。
Opacity of the eye lens can be induced by deficiency of certain vitamins.
眼球晶状体的混浊可由缺乏某些维生素引起。
A lens would magnify the picture so it would be like looking at a large TV screen.
透镜会把图像放大，这样就会像看大电视屏幕。
Your camcorder should have these basic features: autofocus, playback facility, zoom lens.
你的便携式摄像机应该具有这些基本特征：自动调焦、回放及变焦镜头。
The flexibility of the lens decreases with age; it is therefore common for our sight to worsen as we get older.
眼球晶状体的柔韧性随着年龄的增长而降低；因此普遍的情况是随着我们年纪变老，我们的视力就会变差。
The curved glass had a magnifying effect, like a lens.
弯曲的玻璃像透镜一样具有放大作用。
I send him the blend calendar and the splendid bent lens he lent to me.
我把他借给我的混合日历和很好的弯曲透镜还给他。
We need a filter or a lens to talk about then what is ultimately in control.
我们需要一个过滤器或一个镜头来谈论最终控制的是什么。
It has a lens system to focus light onto the film at the back of the camera.
它的镜片系统可以将光线聚焦到相机后部的胶片上。
Its lens, no bigger than a small raindrop, magnified objects hundreds of times.
它的镜头大不过小雨滴，却能使物体放大数百倍。
Through this clear lens, problems become challenges, and challenges become opportunities for learning.
通过这个清晰透镜，问题变为挑战，挑战变为学习的机会。
These data suggest that nonenzymatic glycosylation of lens crystallins may contribute to cataract formation.
这些数据表明晶状体蛋白的非酶糖基化可能会导致白内障。
Each cluster includes a pair of eyes with a sophisticated lens, retina, iris and cornea. Scientists aren't sure how they process what they see.
每组包括一对拥有复杂晶状体、视网膜、虹膜和角膜的眼睛。科学家们还不确定它们如何处理它们看到的东西。
The daguerreotype was a unique image that reproduced what was in front of the camera lens in minute, unselective detail and could not be duplicated.
达盖尔银版是一种独特的图像，它可以再现相机镜头前微小的、无选择性的细节，而且是不可复制的。
They're lenses because they're convex vessels, and when they're full of water, they act as a lens and you see the horizon in them, upside down and backwards.
它们是透镜，因为它们是凸面容器，当它们盛满水后，它们可作为透镜使用，你可以看到它们里面上下颠倒的地平线。
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