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	main drag Maine mainframe mainland mainline mainly mainmast mainsail main sequence mainspring mainstay mainstream mainstreaming Main Street maintain maintenance maintenance fee maize Maj. majestic majestically majesty major major arc majordomo

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