Prolonged wear and tear will discolour your sneakers.

长时间的磨损会让你的球鞋褪色。

The oxygen in the air will discolour the apples.

空气中的氧气会让苹果变色。

This acid rain discoloured the original look of the sculpture.

这种酸雨损坏了雕塑的原有颜色。

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。