| 单词 | praseodymium |
| 释义 | praseodymium (once / 738707 pages) n WORD FAMILY praseodymium USAGE EXAMPLESNeodymium, dysprosium, and praseodymium are used in combination to create the components of an electric engine. National Geographic(Jun 10, 2016) Would our lives be improved if gold and uranium were as obscure and unimportant on Earth as praseodymium? Carl Sagan, Cosmos(1980) There is hidden meaning in the table - as in the naming of praseodymium and neodymium. BBC(Jan 04, 2016) n a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process Syn|Hyper Pr, atomic number 59 metal, metallic element any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. |
| 随便看 |
|
英语词典包含147318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。