SAT背单词-46.trajectory

trajectory

英 [trə'dʒekt(ə)rɪ; 'trædʒɪkt(ə)rɪ]; 美 [trə'dʒɛktəri]

n.轨道；弹道

例句：Considering the likely range, trajectory, and accuracy of a bullet fired from a cheap handgun at 100 yards, the murder seemed incredible.

词根：ject