speedcopn.<俚>制止汽车超速行驶的警察speedn.速度；迅速v.加速；急行speed-up function加速试验功能speed servo control速度伺服控制speed-regulationp调速speed signal system速度信号系统speed on separation分离速度speed shifting fork变速叉speed indicator sign速度指示标speed of cutter head刀架转速Speed of carbonation碳化速度speed-up education速成教育

1. In finish cutting we increase the speed and decrease the feed.
   精切时，我们增加速度，减少进给量。
2. There are many swimmers at international level now to use the sculling position to develop speed and feel the water of the start and turn.
   现在有很多国际水平的选手在出发和转身时都采用小划手来增加速度并获得水感。