Trajectory
[ trə'dʒɛktəri ]
出国 Abroad
n. [物]弹道，轨道;[几]轨线;
💡 词根助记
tra穿过+ject投掷，扔+ory表示场所，地点→扔进去的通道→弹道；轨道
📝 例句
It is not difficult to sketch the subsequent trajectory.
很容易描绘出它们最终的轨迹。
The path followed by a projectile is called its trajectory.
抛物体所循的路径称为它的轨道。
Hohmann trajectory
霍曼轨道
From then on it must coast in a trajectory, or flight path, to its target.
从那时起，它就得沿着弹道，即沿着飞行航线滑向其目标。
The missile deflected from its trajectory.
导弹已偏离轨道.
🌱 联想助记
【记】※ tra-前缀“横过、穿过”,ject-词根“投掷、扔”,ory-名缀:横着扔出去的轨道
※ tra-前缀“横过、穿过”,ject-词根“投掷、扔”,ory-名缀:穿过很远的地方扔向敌方→
✅ 同义词
🔤 词根
-cast-表示“投掷”
📖 牛津释义
trajectory
n
curved path of sth that has been fired, hit or thrown into the air, eg a missile （抛射体, 如导弹的）弹道, 轨迹, 轨道
a bullet's trajectory 子弹的弹道.
🔁 扩展释义
*[trә'dʒektri]n. 轨道, 弹道, 轨线【化】 轨道
🌿 同词根单词
📖 同为「GMAT」词汇
查看全部GMAT词汇 ›🗣️ 情景例句
The traffic's bumper to bumper, it must be rush hour.
车一辆接着一辆，现在肯定是交通高峰期。
Good-bye, Mike.
再见，迈克。
Luckily the weather was not so wet as it is today.
幸运的是，那天的天气不像今天这样有雨。