isotope [ˈaɪsətəʊp]
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基本释义
n.同位素
英英释义
a form of an atom which has a different atomic weight from other forms of the same atom but the same chemical structure
参考例句
The isotope ratio is directly used for comparing oils or gases. 同位素比率直接用于比较各种石油或天然气。
How to apply a radio isotope? 如何运用放射性同位素?
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