名词
中文翻译：无定形固体
同义词：
['amorphous material', 'amorphous substance']
例句：
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1.The amorphous solid is difficult to melt and has a low thermal conductivity.
这种无定形固体难以熔化，热导率很低。
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2. The amorphous solid was found to have unique properties that were not observed in other materials.
这种无定形固体被发现具有独特的性质，这些性质在其他材料中没有观察到。
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3.The amorphous solid was used as a precursor for the synthesis of new materials.
这种无定形固体被用作合成新材料的前驱体。