单词 | atomic number 57 |
释义 | atomic number 57 (extremely rare) n WORD FAMILY atomic number 57 n a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth Syn|Hyper La, lanthanum 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。