单词	staff of life
释义	staff of life noun phrase : a staple of diet especially : bread Word History First Known Use 1638, in the meaning defined above
随便看	selectest selecting selection selection forest selection rule selection value selectionism selectionist selectionists selections selective selective absorption selective assembly selective breeding selective cutting selective estrogen receptor modulator selective flotation selective logging selective memory selective radiation selective reflection selective serotonin reuptake inhibitor selective service selective transmission selectively

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