| 词汇 | cation | 
| 释义 | cation  noun [ C ]  chemistry specialized uk/ˈkæt.aɪ.ən/ us/ˈkæt.aɪ.ən/  阳离子,正离子(带有正电荷的离子,电解反应中向电池阴极移动) in chemistry, an ion (= type of atom) that has a positive electric charge and therefore moves towards the cathode (= negative part of electric cell) during electrolysis | 
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