名词
中文翻译：Unknown
同义词：
['isotope', 'isotope']
例句：
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1. The researchers found that the parathesin in the sample was different from the standard.
研究人员发现样本中的同位素与标准不同。
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2. The isotopes were used to study the behavior of atoms.
同位素被用来研究原子的行为。
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3. The scientists discovered a new isotope that could be used for energy storage.
科学家们发现了一种新的同位素，可用于能量存储。