名词
中文翻译：同位素
同义词：
['isotope', 'isotope']
例句：
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1.The scientists discovered a new type of isotope that could be used to study the earth's crust.
科学家们发现了一种新的同位素，可以用来研究地球的地壳。
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2.The research team focused on isolating and analyzing the rare isotope of gold.
研究小组专注于分离和分析稀有金同位素。
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3.The isotope ratios in the sample were crucial for determining the age of the rocks.
样本中的同位素比值对于确定岩石的年龄至关重要。