名词
中文翻译：同位素
同义词：
['isotope', 'isotope']
例句：
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1.The scientist discovered a new type of isoporous material.
科学家发现了一种新型的多孔材料。
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2. The isotopic analysis showed that the sample was not pure.
同位素分析显示样本不纯。
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3. The isotopes in the sample were used to determine its origin.
样本中的同位素被用来确定其来源。