名词
中文翻译：Unknown
同义词：
['isotope', 'isotope']
例句：
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1.Isotopes are used in isotopic dating to determine the age of rocks and minerals.
同位素用于同位素定年，以确定岩石和矿物的年龄。
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2.The study of isotopes has led to important discoveries about the origins of life on Earth.
同位素研究导致了关于地球上生命起源的重要发现。
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3.The isotopes of carbon have been used to trace the movement of water through the earth's crust.
碳的同位素被用来追踪水通过地球地壳的运动。