一个三角形的所有角度之和是180度。

The sum of all the angles of a triangle is 180 degrees.

《柯林斯英汉双解大词典》

用刷子将窗户拖一遍，保持一点角度以使多余的水可以导下。

Pull the squeegee across the window at an Angle to direct excess water down.

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通过对比，我们认为持相对，价值的主要观点就是拒绝，进入另一角度，全部反对。

And we might think by contrast that the key point at holding opposite values is the refusal to step into the other view point, the rejection of it all together.

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