| 单词 | barium | 
| 释义 | barium barium /ˈbeə.ri.əm/ aep /ˈber.i-/ noun [U] (SYMBOL Ba) ► F0 a chemical element that is a soft, silver-white metal, is alkaline, and combines with oxygen very easilyThesaurus+: ↑Chemical elements  | 
	
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