单词	undouble
释义	undouble verb un·​dou·​ble ˌən-ˈdə-bəl  undoubled; undoubling; undoubles : unfold, unclench Word History First Known Use circa 1611, in the meaning defined above
随便看	gumlines gumly gumma gummas gummata gummatous gummed gummed (up) gummed up gummed up the works gummer gummers gummi gummier gummies gummiest gummiferous gummily gumminess gumminesses gumming gumming (up) gumming disease gumming up gummis

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