英语词汇“technetium”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	technetium
释义	technetium noun uncountable chemistry UK /tekˈniːʃiəm/ DEFINITIONS1 1 a chemical element that is a radioactive metal. Its symbol is Tc. Synonyms and related words Chemical elements actinium alkali metal aluminium technetium noun uncountable chemistry US /tekˈniʃiəm/ DEFINITIONS1 1 a chemical element that is a radioactive metal. Its symbol is Tc. Synonyms and related words Chemical elements actinium alkali metal aluminum
随便看	be worse than useless be worth someone’s while be worth your weight in gold beyond beyond (a/all) reasonable doubt beyond (all) hope beyond (any) doubt beyond belief beyond belief/recognition beyond description beyond dispute beyond doubt/dispute beyond measure beyond question beyond recall beyond your (wildest) dreams beyond/out of (all) recognition beyond/past redemption beyond/past retrieval beyond/without a shadow of a doubt be your normal self be your own boss be your own man be your own man/woman be your own woman

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