adj.不褪色的，不掉色的

The new fabric is colourfast, so it won't fade after multiple washes.
这种新布料耐褪色，所以多次洗涤后颜色不会变淡。
I'm glad to know that the paint we chose is colourfast, as it will resist fading in direct sunlight.
很高兴知道我们选的油漆是耐褪色的，因为它能抵抗直射阳光下的褪色。
The dye used for this dress is highly colourfast, so it should remain vibrant even after heavy rain.
这件裙子使用的染料非常耐褪色，即使经过大雨，颜色也会保持鲜艳。
Our colourfast ink ensures that the prints on your clothes stay bright and crisp for a long time.
我们的耐褪色墨水确保衣物上的印刷品长时间保持鲜艳和清晰。
Customers often ask if our cushions are colourfast - we're happy to confirm they are.
客户们经常询问我们的抱枕是否耐褪色，我们很高兴确认它们是。
Before buying, she checked if the lipstick was colourfast to avoid smudging easily.
购买前，她检查了口红是否耐褪色，以防止容易晕染。
The artist tested the paint's colourfastness before committing to using it on the mural.
画家在决定用于壁画之前，先测试了颜料的耐褪色性。
A good quality carpet should be colourfast, resistant to fading from sunlight exposure.
好质量的地毯应耐褪色，能抵御阳光照射导致的颜色退化。
She was disappointed to find that her new blouse wasn't as colourfast as she had hoped, washing out in just one wash.
她发现新买的衬衫并不像她期望的那样耐褪色，在一次洗涤后就褪色了，这让她很失望。
The company guarantees that their bedding is colourfast, so you can enjoy its vibrant patterns for years.
公司保证他们的床品是耐褪色的，因此你可以多年享受其鲜艳的图案。