exchange of kinetic energy

例句：

1. 1. The two companies exchanged ideas about how to improve their products.
   两家公司就如何改进产品交换了意见。
2. 2.After the meeting, they exchanged pleasantries and plans for the next project.
   会议结束后，他们交换了寒暄和下一项目的计划。
3. 3.He exchanged a few words with his friend before leaving.
   他离开前与朋友交换了几句话语。