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
Are you sure you are dialing the right number?
你确定你打的号码是对的吗？
The surest way to be happy is to be busy.
要快乐，最可靠的办法是忙碌。
Pardon? Would you please say that again more slowly?
对不起，请你慢点儿再说一遍好吗？