英语词汇“protactinium”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	protactinium
释义	protactinium noun uncountable chemistry UK /ˌprəʊtækˈtɪniəm/ DEFINITIONS1 1 a chemical element that is a radioactive metal. Its symbol is Pa. Synonyms and related words Chemical elements actinium alkali metal aluminium protactinium noun uncountable chemistry US /ˌproʊtækˈtɪniəm/ DEFINITIONS1 1 a chemical element that is a radioactive metal. Its symbol is Pa. Synonyms and related words Chemical elements actinium alkali metal aluminum
随便看	pull pints pull rank (on someone) pull round pull someone’s leg pull something to pieces/apart pull something to pieces/apart/to bits pull strings pull the other one (it’s got bells on) pull the plug (on something) pull the rug (out) from under someone pull the strings pull the wool over someone’s eyes force the issue force the pace force through force up force/push/ram/thrust something down someone’s throat forcible for crying out loud ford for days/weeks etc at a time for days/weeks etc. at a time for dear life fordyce spots fore

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