导读：读音：vlsti词性：名词1 速度，速率用法：表示物体在单位时间内所经过的路程。例句：1 The velocity of the car was too fast
读音：vlsti
词性：名词
1. 速度，速率
用法：表示物体在单位时间内所经过的路程。
例句：
1. The velocity of the car was too fast for the driver to control.
这辆车的速度太快，司机无法。
2. The velocity of sound is faster than the velocity of light in water.
声音在水中的传播速度比光速快。
3. The velocity of the rocket gradually increased as it left the earth's atmosphere.
火箭离开地球大气层后，速度逐渐增加。
4. The velocity of a bullet can reach over 1000 meters per second.
子弹的速度可以达到每秒1000米以上。
5. The velocity of a hurricane can reach up to 200 kilometers per hour.
飓风的速度可以达到每小时200公里。
同义词及用法：
1. speed：表示物体运动时所经过的路程与时间的比值，与velocity含义相近，但speed更常用于日常口语中。
例句：
1. He was driving at a high speed on the highway.
他在高速公路上以很快的速度驾驶着车子。
2. The speed of light is approximately 300,000 kilometers per second.
光的速度大约是每秒300,000公里。
3. I need to increase my running speed if I want to win this race.
如果我想赢得这场比赛，我需要提高跑步速度。
4. The speed of the train gradually slowed down as it approached the station.
火车接近站台时，速度逐渐减慢。
5. The speed of a cheetah can reach up to 120 kilometers per hour.
猎豹的速度可以达到每小时120公里。
2. pace：表示物体运动时每单位时间所经过的路程，与velocity含义相近，但pace更常用于描述步伐或节奏。
例句：
1. He walked at a slow pace, enjoying the scenery along the way.
他以缓慢的步伐走着，沿途欣赏着风景。
2. The pace of life in the city is much faster than in the countryside.
城市的生活节奏比农村快得多。
3. The horse was running at a steady pace, not too fast or too slow.
马以稳定的步伐跑着，不快不慢。
4. We need to increase our work pace if we want to finish this project on time.
如果我们想按时完成这个项目，就需要加快工作节奏。
5. The pace of the music gradually increased, making everyone want to dance.
音乐的节奏逐渐加快，让每个人都想跳舞。
3. momentum：表示物体运动时所具有的力量和动能，在物理学中也有特殊含义，与velocity含义有一定区别。
例句：
1. The momentum of the wave was strong enough to knock down the surfer.
浪的力量足以把冲浪者击倒。
2. The car gained momentum as it went down the hill.
车子在下坡时获得了动力。
3. She lost her momentum and fell while trying to run up the stairs.
她试图跑上楼梯时失去了势头，摔倒了。
4. The team's winning streak gave them a lot of momentum going into the playoffs.
球队的连胜为他们进入季后赛提供了很大的动力。
5. The snowball quickly gained momentum as it rolled down the hill.
雪球在滚下山时迅速获得了速度。
4. celerity：表示物体运动时的迅速和敏捷，与velocity含义相近，但更常用于文学作品或正式场合。
例句：
1. He moved with great celerity, dodging all of his opponent's attacks.
他移动迅速，躲避了对手的所有攻击。
2. The cheetah is known for its celerity, being able to reach high speeds in a matter of seconds.
猎豹以其敏捷闻名，能够在几秒钟内达到高速度。
3. She typed with great celerity, finishing her work in record time.
她打字速度很快，在极短的时间内完成了工作。
4. The dancers moved with grace and celerity, making the performance mesmerizing.
舞者优雅而敏捷地移动，使表演令人着迷。
5. The runner's celerity helped her win the race.
这位跑步者的敏捷帮助她赢得了比赛。
5. swiftness：表示物体运动时的迅速和敏捷，与velocity含义相近，但更常用于口语或日常场合。
例句：
1. The swiftness of the cheetah's movements amazed everyone watching.
猎豹的敏捷动作让所有观众都惊叹不已。
2. The swiftness of the horse's gallop made it seem like it was flying.
马飞快的奔跑让它看起来像在飞行。
3. She ran with great swiftness, trying to catch up to the others ahead of her.
她以极快的速度跑着，试图赶上前面的人。
4. The swiftness of the river's current made it dangerous for anyone to swim in.
河流湍急的水流使得任何人都不敢在里面游泳。
5. The thief escaped with incredible swiftness, leaving behind a trail of chaos and confusion.
小偷以令人难以置信的速度逃脱了，留下一片混乱和困惑。