1、Plastic tends to discolour with age.
塑料久而久之便會退色。

2、Note: The product may discolour during storage.
注：產品在存放期間可能變色。

3、They can discolour or damage your jewellery mountings.
你可以變色或損壞珠寶掛。

4、Benzoyl peroxide can cause fabric to discolour on contact. Use with care.
過氧化苯可能導致織物脫色，請小心使用。

5、Peas will discolour in contact with the acids in vinaigrette.
豌豆與香料酸接觸后會褪色。

discolour翻譯