revolving是什么意思？

If you say that one thing revolves around another thing, you mean that the second thing is the main feature or focus of the first thing.

If a discussion or conversation revolves around a particular topic, it is mainly about that topic.

If one object revolves around another object, the first object turns in a circle around the second object.

When something revolves or when you revolve it, it moves or turns in a circle around a central point or line.