When light enters water, its intensity quickly decreases and its color changes.

当光线进入水中，它的强度迅速降低，其颜色亦发生变化。

youdao

Wool is treated in superheated vapor for different time. And then we test its stretch characters and alkali solubility while take its color changes into consideration.

将羊毛纤维在不同温度的高温蒸汽中处理不同的时间，测试其拉伸性能及在碱中溶解度的变化，并对羊毛纤维在高温蒸汽中的颜色变化进行了目测评价。

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For me, the most fascinating transformation is when it changes its color.

对我来说，最吸引人的变化是颜色的改变。

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Its reddish color and changes in brightness over time make the planet an unforgettable sight.

VOA: special.2010.07.28

As part of a growing trend to produce energy-efficient products, HP announced today a bunch of changes in its line of printers, including a color laser jet printer that it says uses up to 65% less energy than other similar printers.

FORBES: HP Takes A Green Step With Energy Efficient Printers