单词	sliding gear
释义	sliding gear noun : a change gear in which speed changes are made by sliding gear wheels along their axes so as to place them in or out of mesh Word History Etymology sliding entry 2
随便看	undoctrinaire undocumented undoer undoers undoes undog undogmatic undogmatically undoing undoings undomestic undomesticate undomesticated undomesticates undomesticating undone undotted undouble undoubled undoubles undoubling undoubtable undoubted undoubtedly undoubtful

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