There are many people swimming in the pool.look at the people swimming in the pool.

问题描述:

There are many people swimming in the pool.look at the people swimming in the pool.
这两句话中的swimming in the pool 在句中各起什么作用,做什么成分?

1,swimming in the pool补充说明 人在干什么
2,swimming in the pool定语 修饰人 在游泳的人