[sù dù]
[物] velocity; speed; blast; bat
									
										initial velocity
										初速度
									
									
									
										orbital velocity
										轨道速度
									
									
									
										escape velocity
										逃逸速度{天}
									
									
									
										cruising speed
										巡航速度
									
									
									
										uniform velocity
										匀速度
									
									[音] tempo
(快慢的程度) speed; rate; pace; tempo
									
										the pace of industrialization
										工业化的速度
									
									
									
										increase speed
										加快速度
									
									
									
										The car was going at the rate of 40 miles an hour.
										轿车以每小时40哩的速度行驶。