All colour fades – especially under the impact of direct sunlight.

所有颜色都会褪色–尤其是在直射阳光的影响下。

《柯林斯英汉双解大词典》

The colour mechanism of imitated copper-red glaze was studied under the use of XPS.

用X射线光电子能谱仪(XPS)研究了仿制的铜红袖的着色机理。

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It also points out that under relevant conditions, the correcting method for colour nonequilibrium has guiding significance in the developing and printing process of colour positive.

指出了相应情况下，颜色不平衡的校正方法。对于彩色正片的洗印过程有一定的指导意义。

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The US system of colour-coded security alerts may be scrapped under new plans being drawn up by security officials.

BBC: US may scrap colour-coded terror alerts

To add to his inevitable Frenchisms, he also once worked for an American family in Nice, where he studied under their chauffeur, one of the Maloneys of Brooklyn, we are told, and this gives a certain rough colour.

BBC: PG Wodehouse and his French connection