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trajectory

noun
/trəˈdʒektəri/
/trəˈdʒektəri/
(plural trajectories)
(specialist)
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  1. the curved path of something that has been fired, hit or thrown into the air(射体在空中的)轨道,弹道,轨迹
    • a missile’s trajectory导弹的弹道
    • (figurative) My career seemed to be on a downward trajectory.我的事业似乎在走下坡路。
    Word Originlate 17th cent.: from modern Latin trajectoria (feminine), from Latin traject- ‘thrown across’, from the verb traicere, from trans- ‘across’ + jacere ‘to throw’.

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