运转着航行时的英文：
in-motion
n. 运动；动作；提议；动机
v. 以姿势向某人示意
- The train was in motion.
火车开动了。 - The motion was withdrawn.
那项动议被撤销了。 - The backwards motion is the anticipation, the throw itself is the motion.
这个向后的动作就是预备动作，投掷就是动作本身。 - The motion was lost by a majority of two.
动议以两票之差被否决了。 - object motion perception
客体运动知觉 客体运动知觉