单词 | reverse gear |
释义 | > as lemmasreverse gear reverse gear n. a gear which allows a mechanism to move or work in the reverse direction from usual; esp. one which allows a vehicle to travel in reverse without reversing the rotation of its engine; in later use frequently figurative. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > wheel > [noun] > cog or gear > which allows change of speed or direction > reverse tumbling gear1793 reversing gear1831 reverse gear1835 reverse1882 1835 Mechanics' Mag. July 7/1 The other improvements affect the force-pump, eccentrics, and reverse gear. 1907 R. B. Whitman Motor-car Princ. viii. 121 When the reverse gear is introduced..the square shaft is revolved in the same direction as the counter-shaft, reversing the rotation of the driving wheels. 1940 Constr. Methods Apr. 110/2 Wrecking is, in reality, construction in reverse gear. 1973 W. McCarthy Detail iii. 204 David..tried to accustom himself to the British car. He found the reverse gear and slowly backed out. 1979 Guardian 7 July 9/4 In the present era, everything has gone into reverse gear. New building is postponed, new hospitals..cannot open. 2003 HomeDIY Dec. 12/2 The key features are a reverse gear (so that the drill can be used for taking out screws as well as..putting them in) and variable torque. < as lemmas |
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