adj.不褪色的；不凋萎的；不衰的

Eternally beautiful and unfading; everlasting. 永久的永远美丽不凋谢的；永久的

The treated surface is unfading, non yellowing and glossy. 处理后表面洁净、不失光、不褪色、不泛黄。

This product has unfading popular seller in home market. 这种产品在国内市场上畅销不衰已经三年了。

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。

In its unfading flowers I hear the bright bee hum: Prithee, my brother, Into my garden come! 蜜蜂嗡嗡欢唱， 请吧，我的兄长， 到我的花园徜徉！