单词	trajectory
释义	trajectorytrajectory /trəˈdʒɛktəri/ noun (plural trajectories) [countable] Etymology ETYMOLOGYtrajectory Origin: 1600-1700 Modern Latin trajectoria, from Latin trajectus, past participle of traicere to cause to cross, from trans- ( ➔ TRANS-) + jacere to throw science, physics the curved path of an object that is fired or thrown through the air
随便看	seller seller's market selling point selling price sellout seltzer selvage selves Selznick, David O. semantic semantically semantics semaphore semblance semen semester semi- semi semiannual semiannually semi-arid semi-autobiographical semiautomatic semicircle semicircular

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