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首頁英語詞典trajectorytrajectory的意思

trajectory

英 [tr?'d?ekt(?)r?; 'tr?d??kt(?)r?] 美[tr?'d??kt?ri]
  • n. [物] 軌道,軌線;[航][軍] 彈道

GRE低頻詞暢通詞匯

詞態變化


復數:?trajectories;

中文詞源


trajectory 軌跡,蹤跡,彈道

tra-,轉移,穿過,-ject,扔,投射,詞源同 project,jet.引申詞義軌跡,蹤跡,彈道等。

英文詞源


trajectory (n.)
"path described by a body moving under the influence of given forces," 1690s, from Modern Latin trajectorium, from trajectorius "of or pertaining to throwing across," from Latin traiectus "thrown over or across," past participle of traicere "throw across, shoot across," from Latin trans- "across" (see trans-) + icere, combining form of iacere "to throw" (see jet (v.)). Middle French and Middle English had trajectorie as "end of a funnel," from Latin traiectorium.

雙語例句


1. My career seemed to be on a downward trajectory.
我的事業似乎在走下坡路。

來自《權威詞典》

2. It is not difficult to sketch the subsequent trajectory.
很容易描繪出它們最終的軌跡.

來自辭典例句

3. The path followed by a projectile is called its trajectory.
拋物體所循的路徑稱為它的軌道.

來自辭典例句

4. The missile deflected from its trajectory.
導彈已偏離軌道.

來自辭典例句

5. From then on it must coast in a trajectory, or flight path, to its target.
從那時起,它就得沿著彈道, 即沿著飛行航線滑向其目標.

來自辭典例句

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