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at [adj] velocity
The car travelled at a high velocity.
汽车以高速行驶。
速度
先理解核心含义，再看它在真实句子里的用法。
速度
distance travelled per unit time
The car travelled at a high velocity.
汽车以高速行驶。
表示位置随时间变化的矢量量,结合速度和方向。
A vector quantity that denotes the rate of change of position with respect to time, combining speed with a directional component.
单位时间内移动的距离
distance travelled per unit time
快速运动。
A rapidity of motion.
发生的频率。
The rate of occurrence.
The car's velocity increased as it went downhill.
汽车下山时速度增加了。
Wind velocity can affect how fast a fire spreads.
风速会影响火势蔓延的速度。
The velocity of the river is higher after heavy rain.
大雨过后河水的流速更快了。
The car travelled at a high velocity.
汽车以高速行驶。
velocity 常与 high, low 等形容词搭配表示速度大小。
The bullet has a very high velocity.
子弹具有很高的速度。
The rocket reached a velocity of 28,000 km/h.
火箭达到了28,000公里每小时的速度。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
高速
The bullet was fired at high velocity.
子弹以高速射出。
低速
The aircraft maintained a low velocity during landing.
飞机在着陆时保持低速。
恒定速度
The car moved at a constant velocity on the highway.
汽车在高速公路上以恒定速度行驶。
初速度
The initial velocity of the rocket was carefully calculated.
火箭的初速度被仔细计算过。
逃逸速度
To leave Earth's orbit, a spacecraft must reach escape velocity.
要离开地球轨道，航天器必须达到逃逸速度。
速度矢量
The velocity vector indicates both speed and direction.
速度矢量表示速度和方向。
终端速度
The skydiver reached terminal velocity after falling for about 12 seconds.
跳伞者在下降约12秒后达到了终端速度。
逃逸速度
A rocket must achieve escape velocity to leave Earth's orbit.
火箭必须达到逃逸速度才能离开地球轨道。
高速
The bullet exited the gun at a high velocity.
子弹以高速离开枪膛。
我们必须达到逃逸速度。
We have to achieve escape velocity.
我们必须达到逃逸速度。
火车的速度不足。
The velocity of the train is insufficient.
火车的速度不足。
Use velocity naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象赛车在city里飙车，速度飞快，记住velocity就是速度。
正式/技术性。常用于物理学、工程学或体育科学中描述运动物体的速度大小和方向。
Words ending in '-ity' are spelling lookalikes; none rhyme with 'velocity' because the stressed vowel differs.
Dictionary facts from ECDICT, WIKTIONARY.