un·screw /-ˈskru/
(vt.)(vi.)旋開,旋松
unscrew
卸螺釘
Un·screw v. t. To draw the screws from; to loose from screws; to loosen or withdraw (anything, as a screw) by turning it.
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unscrew
v 1: loosen something by unscrewing it; "unscrew the outlet
plate"
2: loosen by turning; "unscrew the bottle cap" [ant: screw]