The laser, with its beam of strong light, can drill a hole in a diamond, and yet can be so well controlled that it can be used in delicate eye operations.

激光有强烈的光束，可以在钻石上钻洞，而且可以被很好地控制，用于精密的眼部手术。

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The laser, with its beam of strong light, can drill a hole in a diamond, and yet can be so well controlled that it can be used in delicate eye operations.

凭着本身强烈的光束，激光可在钻石上钻一个洞，而且可以被很好地控制，因此能用于精密的眼部手术。

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This hill resembles an elephant sucking water. The elephant Eye Rock perches high up the hill, with a hole running through it from left to right.

这座山酷似大象吸水。象眼岩栖高上山，孔，通过它运行从左到右。

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Mutations of Sonic hedgehog in people may result in babies with a single eye or a hole in the center of their head.

FORBES: Magazine Article