英语词汇“promethium”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	promethium
释义	promethium /preuh mee"thee euhm/, n. Chem. a rare-earth, metallic, trivalent element. Symbol: Pm; at. no.: 61. [1945-50; < NL; see PROMETHEUS, -IUM]
随便看	uncogent uncogged uncognizable uncognizant uncognized uncognoscibility uncognoscible uncohesive uncoifed uncoil uncoiled uncoincided uncoincident uncoincidental uncoinciding uncoined uncoked uncollaborative uncollapsable uncollapsed uncollapsible uncollar uncollated uncollateralized uncollected

英语词典包含168451条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。