单词	copyleft
释义	copyleftcop‧y‧left /ˌkɒpiˈleft $ ˌkɑː-/ noun [uncountable] the practice of making something such as software freely available and able to be used and changed
随便看	servitude servo sesame Sesame Street session set set-aside setback set piece set square sett settee setter setting settle settled settlement settler set-to set-top box set-up Seurat, Georges Seuss, Dr seven Seven Deadly Sins

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