trajectory是什麼意思 trajectory的用法 trajectory怎麼讀

trajectory

英 [trə'dʒekt(ə)rɪ; 'trædʒɪkt(ə)rɪ]美 [trə'dʒɛktəri]

n. [物] 軌道，軌線；[航][軍] 彈道

使用頻率:★

星級詞彙:★

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。

英語詞源

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.

權威例句

1. My career seemed to be on a downward trajectory.

我的事業似乎在走下坡路。

2. It is not difficult to sketch the subsequent trajectory.

很容易描繪出它們最終的軌跡.

3. The path followed by a projectile is called its trajectory.

拋物體所循的路徑稱爲它的軌道.

4. The missile deflected from its trajectory.

導彈已偏離軌道.

5. From then on it must coast in a trajectory, or flight path, to its target.

從那時起,它就得沿着彈道, 即沿着飛行航線滑向其目標.

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