To make of or decorate with brass. fool's gold Cuprous acetylide takes the form of a russet or reddish-brown powder, insoluble in water and in the majority of organic solvents.

  • 乙炔亚铜是黄褐色的红棕色的粉末,不溶于水和大多数有机溶剂。

  • 互联网摘选 2025-01-20 11:46:02

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