他用棱镜把白光分解成光谱中的各种颜色。

He used a prism to break white light down into the various colors of the spectrum.

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不要写“给客厅刷漆”，试着将它分解为许多小任务，例如“买油漆，买滚筒刷，挑选颜色”等等。

Instead of "paint living room", try breaking it down into many tasks, like "buy paint, buy rollers, pick colors", etc.

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当岩石分解成为颗粒够成沙滩时，颜色则是由铁元素氧化物的存在与否决定的。

When these rocks break down into the grains that make up the sand on our beaches, their colour is mostly determined by the presence or absence of iron.

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