unfading [ʌn'feɪdɪŋ]

例句:

• Unfading materials give people a feeling of lasting freshness.
  永不褪色的面料,给人以常新的感觉.
  
• This advanced dyeing technology can make the products unfading.
  这种先进的印染技术,使产品永不褪色.
  
• The treated surface is unfading , non yellowing and glossy.
  处理后表面洁净、失光、褪色、泛黄.