英语词汇“protoactinium”的中英文释义、用法、翻译及短语词组-英汉翻译词典

单词	protoactinium
释义	protoactinium 英?[?pr??t??'?kt?n??m] 美?[?pro?to?'?kt?n?rm] 释义 n. 镤英英释义 Noun 1. a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead 行业词典医学镤：同protactinium???
随便看	off set limit offset line offset-line offset link offset link with movable lug offset-litho offset litho duplicating offset litho duplicator offset-lithoes offset lithographic process offset lithographies offset litho(graphy) offset lithography offset local time offset luminance offset machine offset master paper offset maximum offset method offset mho relay off-set mho relay offset mineralization offset mortgage offset mounted plow offset mounting

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protoactinium