单词	groundmass
释义	groundmass noun ground·​mass ˈgrau̇n(d)-ˌmas  : the fine-grained or glassy base of a porphyry in which the larger distinct crystals are embedded Word History First Known Use 1879, in the meaning defined above
随便看	cordillera Cordillera Central cordillera de mé Cordillera de Mérida cordilleran cordilleras cordiners cording cording quires cordings cordite cordites cordleaf cordless cordobae cordoban cordobans cordobas cordon cordon (off) cordon bleu cordon off cordon sanitaire cordonazo cordoned

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