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	downpours downrange downranger downrangest downriggers downright downrighter downrightest downrightly downrightness downrightnesses downriver downrushes Downs downs downscale downscaled downscaler downscales downscalest downscaling downset downshift downshifted downshifting

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