形容词
中文翻译：不褪色的
同义词：
['durable', 'lasting']
例句：
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1.The stain-fast fabric is perfect for outdoor activities.
这种耐久的布料非常适合户外活动。
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2.The stain-fast paint will not fade even after years of exposure to sunlight.
这种耐久的油漆即使在阳光直射下多年也不会褪色。
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3. The stain-fast dyeing process ensures that the clothes retain their color for a long time.
这种耐久的染色工艺确保衣物长时间保持颜色。