"East side of the park" is the Engpsh translation for "公园东边" in Chinese. This translation is straightforward, as "公园" is the Chinese word for "park," and "东边" is the Chinese word for "east side."

Here are some example sentences using this translation:

I pke to go jogging on the east side of the park in the morning.
The east side of the park has a beautiful lake with a fountain.
There are always a lot of people playing frisbee on the east side of the park on weekends.

In these sentences, "east side of the park" is being used as a noun phrase to describe a specific location within the park. It could also be used as an adjective phrase to modify another noun, as in the following example:

The east side of the park has several benches where people can sit and relax.

In this sentence, "east side of the park" is modifying the noun "benches," indicating that the benches are located on the east side of the park.