英语词汇francium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	francium
释义	francium/ˈfrænsiəm/n. Chem. a radioactive metallic element occurring naturally in uranium and thorium ores (symbol 符 Fr) 【化】(放射性元素)钫 [modern Latin from France (the discoverer's country)]
随便看	up-and-under Upanishad upas up a stump up a tree upbeat upbraid upbraiding upbringing upcast upchuck upcoming up-country update updraught upend upfield upfold up for up for grabs upfront upgrade upgradeable upgrowth upheaval

英汉双解词典包含94788条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。