单词	历史专业
释义	历史专业 history major
随便看	Copper buswork provides maximum conductivity Copper Butte copper butterfly copper cable copper cable jointing sleeve Copper Cables copper cadmium alloy copper cadmium cobalt residue copper-cadmium slag copper-cadmium-zirconium electrode copper cake copper calorimeter Copper Canyon copper caprylate copper captain copper-captain copper carbenoid copper carbide chloride copper carbonate copper carbonate fertilizer copper carbonate hydroxide copper carbon brush Copper carries electricity copper-carrying inorganic antibacterial agent copper cartridge case