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。

youdao

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。

youdao

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。

youdao

But I know the truth of the diamond lens.

VOA: special.2009.07.25

The initial images transmitted Monday by Curiosity were taken through the vehicle's hazard-avoidance cameras, before their transparent but dusty lens covers had been removed.

WSJ: NASA's Curiosity Rover Lands on Mars

The device has the same tubular format as the original, but the lens is actually on one of the longer sides, rather than at the end of the barrel, making it more suitable for chest mounting.

ENGADGET

But through my lens as a leadership coach who specializes in presence, I see a more richly textured story.

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