Li Yu used an east-flowing river to describe how addicted she was to cigarettes. This rhetorical device is

The rhetorical device of combining reality with reality is used

Extended data:

This sentence was taken from the first "Young Beauty" and caused a wide range of * * * sounds. This largely depends on the infectious and symbolic metaphor at the end of the sentence, and the worries written are both intuitive and abstract: the author has not written clearly the true meaning of his sadness-reminiscent of hedonistic life.