protactinium读音_释义_翻译
protactinium 朗读
protactinium
音标：ˌprəʊtæk'tɪniəm
protactinium翻译
protactinium双语用法和例句
相关单词
palatogram paralepsis paedagogue pupilage pigeonwing plasmalogen pinkie profanation plumbaginous phosphatic partway pilar pyrolusite pizazzy phosphofructokinase psychometric peatland plumbate period penates