第三人称单数：[motives] 动词过去式：[motived] 过去分词：[motived] 现在分词：[motiving]
动机, 目的, 主题
- His sole motive was to make her happy.
- His motive for working so hard is that he needs money.
- I believe that Martin had two motives.
运动的, 成为动机的, 发动的
- The water provides the motive power that turns the mill wheel.
- For many years the motive power of trains was steam.
- The motive power of trains is usually steam or electricity.