速度

❶speed;rate;pace;tempo
❷velocity（物理）
❸tempo（音乐）
事故的原因在于～过快。The accident was due to excessive speed./加快～ pick up (or gather) speed;speed up; accelerate; gain velocity/减缓～reduce speed; slow down;lose velocity/每小时100千米的～a speed of 100kph/以不要命的～ at a breakneck speed /以跨越式的～发展develop by leaps and bounds;leapfrog development/国民经济增长～growth rate of the national economy/光的～velocity of light/～滑冰speed skating/～计velocimeter;speed indicator;speedometer