我们看见太阳从山后出来了。

We saw the sun rising behind the hills.

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我们看见太阳从树后出来。

We saw the sun rising behind the trees.

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很多彗星接近太阳时，我们可以用肉眼看见，因为它们的彗发和彗尾可以反射阳光，甚至因为受阳光激发而自发光。

We can see a number of comets with the naked eye when they pass close to the sun because their comas and tails reflect sunlight or even glow because of energy they absorb from the sun.

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