英语词汇protoactinium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	protoactinium
释义	pro·to·ac·tin·i·um /ˌprəʊtəʊækˈtɪnɪəm/ n. 【化】镤(protactinium 的旧称)
随便看	still-hunt still-hunted still-hunter still-hunters still-hunting still hunts still-hunts stillicide stillier stilliest stilliform stilling stillingia still life still-life still lifes still lives stillman stillmen stillness stillnesses still picture stillroom stillrooms stills

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