单词	calcium cyanamide
释义	calcium cyanamide noun : a compound CaCN2 used as a fertilizer and a weed killer and as a source of other nitrogen compounds Word History First Known Use 1885, in the meaning defined above
随便看	Pyrrophyta pyrroporphyrin pyrrosiae pyrrosias pyrryl Pyrula Pyrularia pyrulariae pyrularias Pyrus pyruses pyrusses pyruv- pyruvate pyruvates pyruvic acid pyruvo- pyruvoyl pyruvyl pyrylium pyrénées pysa pysas pytha Pythagoras

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