lightfastness是什么意思

n.耐光

1. The lightfastness of the ink used in the print is crucial for ensuring that the colors remain vibrant over time.（使用在印刷品中的墨水的耐光性对于保持颜色的鲜艳度至关重要。）

2. This fabric has excellent lightfastness, making it suitable for outdoor use without worrying about fading.（这种织物具有出色的耐光性，适合户外使用，无需担心褪色。）

耐光性，指材料在长时间暴露于光线下的稳定性。