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.
   科比从后场运球，在进攻时间快到时，在两人的强硬包夹下用快速的脚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.
   方法采用常规法、逐步后退法、超声法、预弯法和综合法进行根管预备并充填，6个月后复查。

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