| 正面 | 7866.trajectory 英 [trə'dʒekt(ə)rɪ; 'trædʒɪkt(ə)rɪ]美 [trə'dʒɛktəri]     |
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| 背面 |      释义： 1、con- "together" + jur- "swear" + -e.2、字面含义为：swear together, command on oath.n. [物] 轨道，轨线；[航][军] 弹道 例句： 1. My career seemed to be on a downward trajectory.我的事业似乎在走下坡路。 trajectory 轨迹，踪迹，弹道tra-,转移，穿过，-ject,扔，投射，词源同 project,jet.引申词义轨迹，踪迹，弹道等。 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." |