| 释义 |
ˈup-push rare.
[up- 2.]
A pushing upwards.
1910J. W. Greene Clin. Course Dental Prosthesis 46 There is now a little general up-push all along the yielding line. 1940Sun (Baltimore) 5 Apr. 23/1 (heading) Rails continue up-push in bonds. 1960R. W. Marks Dymaxion World B. Fuller 28/1 If such a man took the proper head⁓long attitude, with respect to air resistance, the amount of up-push required to keep him plummeting forward should be no more than that supplied by his leg muscles to give him his initial altitude. |