碱土金属
jiǎn tǔ jīn shǔ
Definitions
- 1. alkaline earth (i.e. beryllium Be 鈹|铍, magnesium Mg 鎂|镁, calcium Ca 鈣|钙, strontium Sr 鍶|锶, barium Ba 鋇|钡 and radium Ra 鐳|镭)
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