discolour造句
A tooth which has been hit hard may
discolour.
受过重击的牙齿可能会变色。
A tooth which has been hit hard may
discolour...
受过重击的牙齿可能会变色。
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.
Plastic tends to
discolour with age.
塑料久而久之便会退色。