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单词 化学物
释义 〔barite〕A yellow, white, or colorless crystalline mineral of barium sulfate, BaSO4, that is used in paint and as the chief source of barium chemicals. Also called heavy spar 重晶石:硫酸钡的黄色、白色或无色的晶体矿物,BaSO4,用作涂料和钡化学物的主要来源 也作 heavy spar〔base〕Any of a large class of compounds, including the hydroxides and oxides of metals, having a bitter taste, a slippery solution, the ability to turn litmus blue, and the ability to react with acids to form salts.碱,盐基:一种有许多化合物的化学物,它含有金属氢氧化物和金属氧化物,带有苦味,溶液较滑,能使石蕊试纸变蓝,并能与酸反应生成盐
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