trajectory 的意思

释义：

n. [物]弹道，轨道；（事业等的）发展轨迹

构词：

tra穿+ject投掷,扔+ory范围→扔出去穿过的范围→弹道轨道

例句：

It is not difficult to sketch the subsequent trajectory.
很容易描绘出它们最终的轨迹. 换一句

The path followed by a projectile is called its trajectory.
抛物体所循的路径称为它的轨道. 换一句

The missile deflected from its trajectory.
导弹已偏离轨道. 换一句