It takes me an hour to finish my exercise

运动───motion;小时───hour

He made a neat chopping motion with his hand.───他挥手做了一个干净利落的劈砍的动作。

Her sharp, aggressive tone set in motion the events that led to her downfall.───她那咄咄逼人的尖锐语调拉开了导致她垮台的事件的序幕。

She gave to the motion of the horse.───她顺应马身的动作.

Newton's laws of motion───牛顿的运动定律

The representatives ruled against the motion.───代表们否决了这项动议.

He suppressed a wince as motion renewed the pain.───他一动之下又疼了起来，但他强忍着没有皱眉。

This can be seen easily with the benefit of slow motion video playback.───借助于慢镜头的回放，可以很容易地看清楚这个过程。

Some scenes were filmed in slow motion.───几组镜头被拍成了慢动作。