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	acetic acid acetone acetylcholine acetylene ache achievable achieve achievement achiever Achilles Achilles' heel Achilles tendon achoo achy acid acidic acidify acidity acidly acid rain acid test acknowledge acknowledgement ACLU acme

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