| 释义 |
al·ka·line-earth metal AHD[ălʹkə-lĭn-ûrthʹ, -līn'-] D.J.[ˈælkəlɪnˈɜːθ, -ˌlaɪn-]K.K.[ˈælkəlɪnˈɝθ, -ˌlaɪn-]n.（名词）- Any of a group of metallic elements, especially calcium, strontium, magnesium, and barium, but generally including beryllium and radium. Also called alkaline earth 碱土金属：一组金属元素的任一种，尤指钙、锶、镁和钡，但通常包括铍和镭 也作 alkaline earth
|