| 释义 |
alkaline-earth metal【机】 碱土金属 alkaline-earth metal al.ka.line-earth metal AHD: [²l“k…-l¹n-ûrth“, -lºn”-] D.J. [6#lk*l!n6T8G, -7la!n-]K.K. [6#lk*l!n6PG, -7la!n-]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 |