Plastic tends to discolour with age.

塑料久而久之便会退色。

Peas will discolour in contact with the acids in vinaigrette.

豌豆与香料酸接触后会褪色。

They are turquoise, because it can discolour;

他们是绿松石，因为它可以变色；

Note: The product may discolour during storage.

注：产品在存放期间可能变色。

They can discolour or damage your jewellery mountings.

你可以变色或损坏珠宝挂。

Benzoyl peroxide can cause fabric to discolour on contact. Use with care.

过氧化苯可能导致织物脱色，请小心使用。

The kinds discolour phenomena were categorized to different flowers in this study and tried to different flowers in this study and tried to find their cause.

以不同花卉材料在压制过程中颜色的变化为研究对象，对其色变现象进行了分类归纳。

Answer: Brightening agent can make some clothings that have color wash the more bright-colored, white clothing the more, maintain its whiteness after washing and do not discolour.

答：增艳剂能使一些有颜色的衣物越洗越鲜艳，白色的衣物洗后保持其白度而不变色。