形容词
中文翻译：无色的
同义词：
['colorless', 'color-free']
例句：
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1. The painting is so beautiful that it's hard to imagine it being any other color.
这幅画如此美丽，以至于很难想象它有任何其他颜色。
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2. The room was painted in a colorless shade of blue.
房间被一种无色蓝调所覆盖。
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3. The scientist used a colorless dye to make the samples visible.
科学家使用一种无色染料使样品可见。