became interested in和be interested in的区别

became interested in强调一种动作，开始对...感兴趣
be interested in强调一种状态，对...感兴趣
例句：
She became interested in American culture through his influence.
由于他的影响，她对美国文化产生了兴趣。
I think he might be interested in our new product.
我想他也许会对我们的新产品感兴趣。

　　be interested in 对什么有兴趣
　　You will be interested in our new product.
　　相认您对本公司新出品的*会感兴趣。
　　became interested in 对什么开始产生兴趣
　　Bentley first became interested in snow crystals as a teenager on his family farm.
　　班提十几岁在农场的时候开始对雪花有兴趣。

be interested in 对什么有兴趣
I'm interesting in reading.
became interested in 对什么开始产生兴趣
I become interested in swimming
became 有心态转变的意思，另一个没有
I became interested in classical music. 我变得对古典音乐有兴趣，（过去没兴趣）
I am interested in classic music. 我对古典音乐有兴趣。