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来源:雅诚德英语网
The bright blues are created by copper compounds, while the green colours are produced by barium nitrate.
明亮的蓝色是铜的化合物产生的,而绿颜色是由硝酸钡所产生。
The bright blues are created by copper compounds, while the green colours are produced by barium nitrate.
明亮的蓝色是铜的化合物产生的,而绿颜色是由硝酸钡所产生。