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	spyglass spying spy master spyware sq. squab squabble squad squad car squadron squalid squall squalor squander squanderer Squanto square squared square dance square dancing square knot squarely square matrix squareness square-rigged

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