xanthone
n. 氧杂蒽酮
n.[化]一种化学原料(为杀虫剂及合成染料)
calcareousness commutate electrofiltre extremeness orientalist stenciller stylobate下载迅蛙App
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n. 氧杂蒽酮
n.[化]一种化学原料(为杀虫剂及合成染料)
calcareousness commutate electrofiltre extremeness orientalist stenciller stylobate