And look at the slope of the roof, the steep angle helps keep off all that rain and snow that accumulates in the winter.

看看屋顶的斜坡，陡峭的角度有助于阻挡所有在冬天积累的雨雪。

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Here they were, rumbling past, leaping in the snow when the Angle was too great, and finally falling into space.

它们说来就来，隆隆而过，角度太大时它们在雪上一颠一簸，直至跌落至虚空。

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If the angle of the slope is steep, the snow is set rolling by any disturbance, such as wind.

如果山坡的角度很陡，任何震动，比如风，都会使雪滚动。

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