词汇 | barium |
释义 | barium noun [ U ] uk/ˈbeə.ri.əm/ us/ˈber.i.əm/ (symbol Ba) 钡(一种质软的银白色金属元素,碱性、易氧化) a chemical element that is a soft, silver-white metal, is alkaline, and combines with oxygen very easily |
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