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单词 rutherfordium
释义 ruth·er·ford·iumBrE /ˌrʌðəˈfɔːdiəm/NAmE /ˌrʌðərˈfɔːrdiəm/ noun [U] (symbol Rf) a chemical element. Rutherfordium is radioactive and does not exist in nature but is produced artificially when atoms collide (= crash into each other) 𬬻(放射性化学元素)
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更新时间:2025/5/18 18:17:18