n.轨道；弹道；轨迹
My career seemed to be on a downward trajectory. 我的事业似乎在走下坡路。
From then on it must coast in a trajectory, or flight path, to its target. 从那时起，它就得沿着弹道，即沿着飞行航线滑向其目标。
It is not difficult to sketch the subsequent trajectory. 很容易描绘出它们后来的轨迹。
This career trajectory began with a chance conversation with a friend's father. 这种职业轨迹开始于和朋友父亲一次偶然的交谈。
