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。

《柯林斯英汉双解大词典》

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。

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On the same evening that the spirit of Leeuwenhoek tells me the secret of the perfect lens, I find the diamond I need to create it.

VOA: special.2009.07.25

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

嗯，那它把罪行平凡化呢？，我想它只是,它只是没有我们看透的道德伦理。

耶鲁公开课 - 1945年后的美国小说课程节选

Again, it's a nice lens for asking yourself, what are the things that are most valuable to you?

再一次，这是一个很好的问你自己，什么事情对你来说最有价值的视角？

耶鲁公开课 - 死亡课程节选

"It's lens upon lens upon lens upon lens, " said the candle-entrepreneur Marjorie Gubelmann.

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We could try to look at it through the lens of inactive users.

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Near it sits a lens-shaped or lenticular galaxy called IC 4970, which appears to have crashed through the spiral in recent astronomical times.

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