trajectory
🇺🇸
/trəˈdʒektəri/
🇬🇧
/trəˈdʒektəri/
The path that an object follows through the air or through space.
The scientist studied the trajectory of the comet as it moved through the solar system.
科學家研究了這顆彗星穿過太陽系時的軌跡。