n.(沿某一方向的)速度，高速，快速

原形：velocity复数：velocities

The velocity of China Railway High-speed is astonishing.
中国高铁列车的速度惊人。
Do you know the equatorial rotational velocity of the Earth?
你知道地球的赤道自转速度吗？
Wind velocity increases with altitude.
风速随着海拔高度而增加。
The car reached an incredible velocity on the highway.
这辆汽车在高速公路上达到了惊人的速度。
The velocity of sound is faster in water than in air.
声音在水中的传播速度比在空气中快。
The velocity of the asteroid was so high that it penetrated the Earth's atmosphere with ease.
这颗小行星的速度如此之高，以至于它轻松地穿透了地球的大气层。
The athlete's average velocity during the 100-meter sprint was approximately 12 meters per second.
在100米短跑中，这名运动员的平均速度约为每秒12米。
The velocity of the river current increased after the heavy rainfall.
大雨过后，河水流速加快。
In physics, velocity not only measures speed but also direction.
在物理学中，速度不仅衡量速度，还衡量方向。
The bullet left the gun with a velocity of over 300 meters per second.
子弹以超过每秒300米的速度离开枪膛。
The velocity of the wind determines the severity of the storm.
风的速度决定了风暴的强度。
The rocket achieved escape velocity and left Earth's gravitational pull.
火箭达到了逃逸速度，脱离了地球的引力。
In financial markets, velocity refers to the rate at which money circulates within an economy.
在金融市场中，速度是指货币在经济中流通的速度。