trajectory

1. N-COUNT The trajectory of a moving object is the path that it follows as it moves. 抛物线[with supp]

...the trajectory of an artillery shell. ...一枚炮弹的抛物线。

2. N-COUNT The trajectory of something such as a person's career is the course that it follows over time. 轨迹[with supp]

...a relentlessly upward career trajectory. ...一个持续上升的职业轨迹。