单词 | trajectory |
释义 | trajectory (once / 5817 pages) n If you stay on your current trajectory of constant shopping, dining out, and yacht rentals, you'll end up broke. A trajectory is the path of an object through space, or the path of life that a person chooses. Trajectory comes from the Latin trajectoria, which means "throw across." The prefix tra- is short for trans-, which means "across" (think transport and transit) and the ject comes from jacere, which means "throw" and is also the root of the word jet. If you wanted to describe the path of a jet through the sky, you could refer to the jet's trajectory. WORD FAMILYtrajectory: trajectories USAGE EXAMPLESHis interest is in people and their trajectories; a maximalist, he wants to reveal the entirety of his characters’ lives and minds. The New Yorker(Jan 01, 2017) “Almost every career trajectory entails a complex sequence of steps, each of which depends on those preceding it,” he said. New York Times(Jan 01, 2017) This is the year that Brexit turns from conjecture into trajectory. The Guardian(Dec 31, 2016) n the path followed by an object moving through space Syn|Hypo|Hyper flight ballistic trajectory, ballistics the trajectory of an object in free flight gravity-assist(spaceflight) a trajectory that passes close to a planetary body in order to gain energy from its gravitational field mechanical phenomenon a physical phenomenon associated with the equilibrium or motion of objects |
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