单词	on-again, off-again
释义	on-again, off-again adjective ˈȯn-ə-ˈgen-ˈȯf-ə-ˈgen  : existing briefly and in an intermittent unpredictable way on-again, off-again fads Word History First Known Use 1946, in the meaning defined above
随便看	bacterias bactericidal bactericide bactericides bacteriemia bacteriemiae bacteriemias bacterin bacterins bacterio- bacteriochlorophyll bacteriochlorophylls bacteriocidal bacteriocide bacteriocin bacteriocins bacteriocyte bacteriofrenic bacterioid bacterioidal bacterioids bacteriologic bacteriological bacteriological warfare bacteriologically

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