Every time light moves into a material with a new speed, it bends and scatters.

每次光线以新的速度穿越一个物体时，它会弯曲，并发生散射。

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Wire is not accepted because it bends with large bricks.

不用金属丝是因为被大石头砸到时它会弯曲。

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That is also why the elbow has a bow as part of its name, it bends.

这也是为什么手肘（elbow）也把bow作为名字的一部分，它也要弯曲。

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To paraphrase Dr. Martin Luther King, the arc of the federal spending universe is long, but it bends toward restraint.

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It bends because all of us are putting our hand on the arc and we are bending it in that direction.

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It bends upward again with the second industrial revolution of the late 1800s built on the internal combustion engine, electricity and telephony.

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