An idea popped into lead designer Harry West's head: the solution to their problem was a floor mop with a disposable cleaning surface.

首席设计师哈里·韦斯特突然想到了一个主意：他们的问题的解决方案是一个带有一次性清洁表面的拖把。

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It gets quite dark depending on how much ice there is above your head at the surface - so in some places with thicker ice it gets dangerously dark.

周围会变的很黑，而这取决于你头顶表面聚集了多少冰。因此在某些冰层很厚的地方会变得格外危险且黑暗。

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The reason you have to get it out of your head is you need to be able to see it on a surface that is not in your mind.

这么做的原因是,你需要,客观地观察它,而不是看它在你大脑中的样子。

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He knelt down and crawled from the switch rails to the frog of the crossover, sliding his hand along the running surface and the head of the rail and feeling for possible corrugations or dents, or burrs shaved off by the wheels of the locomotives.

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Heck, even the Surface Pro reared its head backstage at the show.

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Prosecutors charged Woodward with first-degree murder, accusing her of shaking Matthew and slamming his head against a hard surface.

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