名词
中文翻译：着色物质
同义词：
['coloring agent', 'coloring material例句：1. The artist used a variety of colored pencils to create the painting.（艺术家使用各种彩色铅笔来创作这幅画。）']
例句：
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1. The artist used a variety of colored pencils to create the painting.
艺术家使用各种彩色铅笔来创作这幅画。
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2.The children were busy coloring their Christmas cards.
孩子们忙着给他们的圣诞卡片上色。
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3.The scientist discovered that certain chemicals could be used as coloring matter in dyes.
科学家发现某些化学物质可以用作染料的着色剂。