单词	trajectory
释义	English American trajectorynoun [ C ] uk/trəˈdʒek.tər.i/us/trəˈdʒek.tɚ.i/specialized the curved path that an object follows after it has been thrown or shot into the air: the trajectory of a bullet/missile Thesaurus: synonyms and related words Geometry: bends, loops & curves anfractuous arc bend coil curve dogleg helix hyperbola kink loop meander parabola peaked spiral swoosh turn twist whirl whorl wraparound Idiom(s) be on an upward/downward trajectory trajectorynoun [ C ] us/trəˈdʒek·tə·ri/ physics the curved path an object follows after it is thrown or shot into the air, or of an object that is traveling through space: The missile came in on a very low trajectory.
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