
例句
The ball gained velocity as it rolled downhill.
球向坡下滚动时速度越来越快。
Engineers measure the velocity of flowing water to determine whether a site is suitable for generating electricity.
工程师测量水流速度,以判断某处是否适合发电。
常用搭配
- high velocity|高速
- constant velocity|恒定速度
- terminal velocity|终端速度
用法提示
物理中velocity含方向,speed只表示快慢。