How to describe the sour taste of oranges?

Orange is a sweet and sour fruit. I like eating it very much.

Oranges are round in shape, big and small, small like bubbles and big like fists. The orange peel is orange with small pimples, which looks like a small lantern from a distance.

Peel off the orange peel, and a peculiar smell of oranges comes to the nose. The orange peel is white, like a thin layer of white gauze on the orange petals.

The orange petals are crescent-shaped, like a curved moon, and many orange petals sit together like several good brothers. Break it into your mouth, the juice will be bitten out, moisten your throat and swallow it into your stomach. It is so sweet that people want to eat it more and more.