1.Bryant ran the ball up the other end, dribbled down the clock and nailed a stepback jumper off contact from a hard double team.

1.科比运球，在进攻时间快到时，在两人的强硬包夹下用快速的步移动把球送进篮筐。

2.Methods Prepare the root canal with routine, stepback, endo-ultrasound, precurve and synthesis methods, then fill the root cannal with gutta percha points, reexaminate after 6 months.

2.方法采用常规法、逐步退法、超声法、法和综合法进行根管备并充填，6个月复查。