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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Thou hypocrite, first cast out the beam out of thine own eye; and then shalt thou see clearly to cast out the mote out of thy brother's eye.

你这假冒为善的人，先去掉自己眼中的梁木，然后才能看得清楚，去掉你弟兄眼中的刺。

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But before worrying about the mote in a distant polluter's eye, it makes sense to consider the beam in thine own.

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As long as there is a birds-eye view from one building to the next, the laser beam can transmit to and from a high-speed transmission center.

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The liquid acts as an additional lens, narrowing the beam of light just as a telescope turns what looks to the naked eye like a smudge on the horizon into a crisp image.

FORBES: Magazine Article