Colour-fast 颜色耐久的 ; 不褪色的
colour fast to rubbing 耐磨擦色牢度
colour fast to ironing 耐熨烫色牢度
colour fast to sunlight 耐日晒色牢度
fast colour 永不褪色 ; 牢度染料 ; 经久不变的颜色 ; 不褪的颜色
Colour-fast š 颜色耐久的
colour fast to perspiration 汁渍色牢度
colour fast to dry cleaning 耐干洗色牢度
fast colour salt 显色盐
Fast colour dyeing 紧牢染色
AM colorfast
ADJ A fabric that is colourfast has a colour that will not get paler when the fabric is washed or worn. 不褪色的
Colour fast: An ink or coloured material whose colour is not affected by exposure to air or specified chemicals.
耐久色：能够抵受空气或某类化学品的影响而不变色的油墨或颜色材料。
He asked advice of Scottish dye works owner Robert Pullar, who assured him that manufacturing the dye would be well worth it if the colour remained fast.
他向苏格兰染料厂的老板罗伯特·普拉尔询问建议，后者向他保证说，如果染料的颜色保持鲜艳，那么制造这种染料就很值得。
We dyed the cloth with a fast colour.
我们用一种不褪色的染料染这种衣服。
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