trajectory 读音[trəˈdʒektəri]弹道;(射体在空中的)轨道;轨迹（名词）复数形式：trajectories例句My career seemed to be on a downward trajectory.我的事业似乎在走下坡路。The missile deflected from its trajectory.导弹已偏离轨道。常用trajectory planning 轨迹规划trajectory tracking 轨迹跟踪; 路径跟踪; 轨迹跟踪运动; 轨迹跟踪控制
1、faded英[ˈfeɪdɪd]美[ˈfeɪdɪd]，v.(使)变淡，变暗; 逐渐消逝; 逐渐消失; (运动员、运动队、演员等)走下坡路，衰退，衰落。 2、[例句]I mean, do you remember we were both afraid if we started writing and calling that it would slowly... you know, fade out. Yeah.你还记得吗，我们之前都担心如果我们开始通信、打电话，感觉就会慢慢…变淡了。
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