Colourfast
a. 不退色的,不掉色的
🗣️ 情景例句
Please, sit down. What can I do for you?
请坐下。我能为你们做什么呢？
Please give me your advice.
请给我提些建议。
Right from the start there was trouble with the Hubble.
从最开始哈勃望远镜就有问题。