英语词汇promethium怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	promethium
释义	promethium /prəʊˈmiːθɪəm/ noun mass noun the chemical element of atomic number 61, a radioactive metal of the lanthanide series. It was first produced artificially in a nuclear reactor and occurs in nature in traces as a product of uranium fission. (Symbol: Pm) （化学元素）钷（符号： Pm）。词源 1940s: modern Latin，from the name of the Titan PROMETHEUS.
随便看	lie in wait lie low lien lie off lie over lierne lie something up lie to lieu lie up Lieut. lieutenancy lieutenant lieutenant colonel lieutenant commander lieutenant general lieutenant governor lieutenant governorship Lieutenant of the Tower lie with life life-and-death life and limb life and limb life assurance

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