velocity

界面语言: zh

🇬🇧 /vəˈlɒsɪti/ 🇺🇸 /vəˈlɑsətiː/

📖 释义

  1. noun
    速度; 速率; 迭代速率; 货币流通速度; 力度; 弹速; 天体速度

🔗 详情

词形变化

可数 复数: velocities

常用搭配

terminal velocityescape velocityangular velocityinitial velocityconstant velocityhigh velocityvelocity of light

派生词

velocimeter

同义词

speedpacerapidityswiftnesscelerity

反义词

slownessstillness

易混淆词

speed
EN: 'Speed' is a scalar quantity (magnitude only), while 'velocity' is a vector quantity (magnitude and direction) in physics; in everyday use they are often interchangeable.
zh: 在物理学中，‘速度’（Speed）是标量（仅有大小），而‘速率’（Velocity）是矢量（有大小和方向）；在日常用语中，它们经常可以互换使用。
acceleration
EN: 'Velocity' is the rate of change of position, while 'acceleration' is the rate of change of velocity.
zh: ‘速度’（Velocity）是位置的变化率，而‘加速度’（Acceleration）是速度的变化率。

拼写提示

EN: Remember the ending is '-ity' (from Latin 'velocitas'); do not write '*velosity' or '*vellocity'.
zh: 记住后缀是“-ity”（源自拉丁语“velocitas”）；不要写成“*velosity”或“*vellocity”。

💬 例句

  1. The velocity of the car was 60 miles per hour due north.

    汽车的速度是每小时60英里，正北方向。

  2. The project gained velocity after the new team members joined.

    新团队成员加入后，项目进展加速了。

  3. Our team's velocity has been consistently around 30 story points per sprint.

    我们团队每个冲刺的速率一直稳定在30个故事点左右。

  4. The velocity of money increased significantly during the period of high inflation.

    在高通胀期间，货币流通速度显著增加。

  5. The pianist varied the velocity of each keystroke to create a more expressive performance.

    钢琴家通过改变每个琴键的力度，创造出更具表现力的演奏。

  6. The muzzle velocity of the rifle round was approximately 900 meters per second.

    步枪子弹的初速约为每秒900米。

  7. The radial velocity of the star indicated it was moving away from Earth.

    该恒星的径向速度表明它正在远离地球。