| 单词 | alkaline earth metal |
| 释义 | alkaline earth metal in British English (ˈælkəˌlaɪn ɜːθ ˈmɛtəl) noun chemistry any of the divalent electropositive metals beryllium, magnesium, calcium, strontium, barium, and radium, belonging to group 2A of the periodic table another name for alkaline earth (sense 1)alkaline-earth metal in American English (ˈælkəˌlɪnˈɜrθ; ˈælkəˌlaɪnˈɜrθ) any of the six highly reactive chemical elements in group IIA of the periodic table including, in order of increasingreactivity, beryllium, magnesium, calcium, strontium, barium, and radium: an oxide of any of these metals is called an alkaline earth |
| 随便看 |
英语词典包含298861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。