Analysis: The sentence is a figurative sentence, which compares the round moon cake to the moon in the sky, vivid and vivid.
Metaphorical sentence is a common rhetorical device, which means to use simple, concrete and vivid things instead of abstract and difficult things.
The role of figurative sentences:
1, figurative reasoning is easy to understand and easy to accept.
2. Metaphor can tell some unimaginable things concretely, and explain them by other similar things, which makes people more clear.
3. Metaphors can visualize what is summarized and give people a deep impression.
4, play a role in decorating the article.
5, make things vivid, vivid, highlight the characteristics, render the atmosphere, and set off the side.