例句與造句

1. He let Dede's roller slip through his hands, then chased a corner and failed to beat Kohler to it.
2. When the unit rotates in one direction the rollers slip or free-wheel, but when a torque is applied in the opposite direction, the rollers tilt slightly, producing a wedging action and binding because of friction.
3. It's difficult to find roller slip in a sentence. 用roller slip造句挺難的