First I applied a blue colour wash to the canvas.

我先在画布上涂了一层蓝色水彩。

《牛津词典》

The first time you wash your jeans, wash them alone. After that, it's a good idea to wash them inside out, as this is the best possible way to maintain their colour and overall look.

第一次清洗牛仔裤要单独洗，之后，最好反面清洗，因为这是保持牛仔裤本色的最好方法。

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Black alcoves display the brand's skin and hair products. The same colour is used to form the service counter and a central wash basin unit for testing samples.

黑色的壁龛展示品牌的护肤、护发产品。同样的颜色被用于服务台和一个用于测试样品的中央洗盆上。

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