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	shopworn shore shore leave shoreline shorn short shortage shortbread shortcake short-change short-circuit short circuit shortcoming shortcut short-day plant shorten shortening shortfall shorthand shorthanded short-haul shortie shorties short list short-lived

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