discoloration

Vitamin K is helpful in reducing discoloration and the appearance of capillaries..维生素K能够帮助减少污点和外观毛细血管。

Officials had noticed that local trees seemed to be under attack, showing damage such as cracks, discoloration and tissue deterioration..此前，当地官员注意到，当地的树木看起来就像是遭受了某种侵害，出现了龟裂、变色、组织恶化等病变。

Aside from the possibility of increased heart rate, trouble sleeping and discoloration of teeth, there's another a way that a cup of joe can be detrimental to your well being..除了心率增加的可能性之外，还有无法入眠和使牙齿变色。 这是一杯咖啡对你健康的身体造成的伤害的两外一种方式。