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单词 vanadium
释义 van·adiumBrE /vəˈneɪdiəm/NAmE /vəˈneɪdiəm/ noun [U] (symbol V) a chemical element. Vanadium is a soft poisonous silver-grey metal that is added to some types of steel to make it stronger
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更新时间:2025/2/13 18:11:10