单词	perfectible
释义	perfectibleper‧fec‧ti‧ble /pəˈfektəbəl $ pər-/ adjective Word family WORD FAMILYnounperfection ≠ imperfectionperfectionistperfectionismperfectibilityadjectiveperfect ≠ imperfectperfectibleperfectionistverbperfectadverbperfectly ≠ imperfectly able to be improved or made perfect—perfectibility /pəˌfektəˈbɪləti $ pər-/ noun [uncountable]
随便看	rubbernecker rubber plant rubber-stamp rubber stamp rubbery rubbing rubbing alcohol rubbish rubbishy rubble rubdown rube Rube Goldberg rubella Rubens, Peter Paul Rubicon rubicund Rubik's Cube ruble rubric ruby Ruby, Jack RUC ruched ruck

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