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。

This is a traditional fuel rod lens that glows underwater.

这是一个传统的水下发光的燃料棒镜头。

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。

To prep the eye to receive the tooth and lens, the doctors placed a graft over the eye to promote moisture.

为了使眼睛做好接收牙齿和晶状体的准备，医生在眼睛上方放置一片移植物以增加水分。

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。

The mascara is suitable for contact lens wearers.

这款睫毛膏适合于戴隐形眼镜的人。

When introducing the new contact lens, Dr. Guo Shiqi, a researcher at Harvard, said, "In the past, the sensor was put between the layers of the lens."

介绍这种新型隐形眼镜时，哈佛大学研究员郭士奇博士说：“过去，感应器是放在隐形眼镜层之间的。”

The contact lens is one of what they are researching on.

隐形眼镜是他们正在研究的东西之一。

Earlier, a California company developed another kind of contact lens using LED technology.

早些时候，加利福尼亚一家公司开发了另一种使用 LED 技术的隐形眼镜。

A new contact lens has been developed by scientists from America, Britain and China.

美国、英国和中国的科学家已经研制出一种新型隐形眼镜。

The contact lens has not been put to the market, but researchers are quite sure that it will be welcomed.

这种隐形眼镜还没有投放市场，但研究人员确信它会受到欢迎。

Our new sensor is smaller and smarter, it can be fixed to a lens and keep direct contact with tears.

我们的新感应器更小、更智能，可以固定在隐形眼镜上，与眼泪保持直接接触。

In that book, he examined Japanese society through the lens of law.

在那本书中，他从法律的角度审视了日本社会。

History and English could be presented through the lens of the psychological drives of the people involved.

历史和英语可以通过相关人物的心理驱动力来呈现。

Some of these phenomena can also be tracked through the historian's lens, but some are, I believe, genuinely new.

这些现象其中一些也可以通过历史学家的视角来追溯，但我认为，其中一些是真正的新现象。

What about it trivializes that crime? I guess it's just that there's no moral lens that we're looking at it through.

它是如何使犯罪变得微不足道的呢？我想这只是因为我们没有通过道德的角度来看待它。

Analyzing and comparing cities using the lens of this basic divide gives interesting context to how investment capital flows and housing prices have shifted.

用这一基本差异的视角分析、比较城市，为变化的投资资本流动和房价提供了耐人寻味的背景。