al·ka·line-earth metal 
(ălkə-lĭn-ûrth, -līn′-)
(ălkə-lĭn-ûrth, -līn′-)n.
Any of a group of metallic elements, especially calcium, strontium, magnesium, and barium, but generally including beryllium and radium. Also called alkaline earth.
| 单词 | alkaline-earth metal |
| 释义 | al·ka·line-earth metal (ălkə-lĭn-ûrth, -līn′-)n. Any of a group of metallic elements, especially calcium, strontium, magnesium, and barium, but generally including beryllium and radium. Also called alkaline earth. |
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