[sù dù]
[物] velocity; speed; blast; bat
initial velocity
初速度
orbital velocity
軌道速度
escape velocity
逃逸速度{天}
cruising speed
巡航速度
uniform velocity
勻速度
[音] tempo
(快慢的程度) speed; rate; pace; tempo
the pace of industrialization
工業化的速度
increase speed
加快速度
The car was going at the rate of 40 miles an hour.
轎車以每小時40哩的速度行駛。