单词	R factor
释义	R factor noun ˈär-  : a group of genes present in some bacteria that provide a basis for resistance to antibiotics and can be transferred from cell to cell by conjugation Word History Etymology resistance First Known Use 1944, in the meaning defined above Medical Definition R factor noun ˈär-  : a group of genes present in some bacteria that provide a basis for resistance to antibiotics and can be transferred from cell to cell by conjugation
随便看	saturn red saturnalia saturnalian saturnalianly saturnalias Saturnals Saturnia saturniae Saturnian Saturnian verse saturnias saturniid Saturniidae saturniidaes saturniids saturnine saturnine red saturninely saturninity saturnism saturnisms saturns satyagraha satyagrahas satyagrahi

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