In SCHOOLS across the eastern Mediterranean, children are still learning about the past of the fascinating places where they live through the distorting lens of modern nationalism.

在遍布地中海东部的学校中，孩子们仍透过扭曲的现代民族主义镜头下，了解他们所居住的这片神奇土地的历史。

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But lens replacement is not yet perfected, largely because replacement lenses themselves still have room for improvement.

但是晶体的替换仍不完美，主要是因为替换晶体本身仍有改进空间。

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After hundreds of years, the most common, basic microscopes still operate by means of the same old hardware: the lens.

几百年来最普通最常见的显微镜使用的仍然是最古老的硬件：透镜。

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The lens in my expensive microscope was still not strong enough to answer my questions about life.

VOA: special.2009.07.18

Latin art is still viewed through the lens of stodgy, pre-World War II muralism.

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But with the lens cap still on.

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The major difference being that using a standard lens will likely still require reading or prescription glasses (ongoing costs) whereas the upgrade may be able to eliminate eyeglasses altogether.

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