Both citrus and oranges belong to a wide-skin citrus type of fragrance citrus, which is thick in the skin of the fruit, and contains hidden petals, consisting of blisters and seeds. “Orange is small, its petals are slightly jealous (i.e. acid), its skin is thin and red, and its taste is bitter, and it is larger than oranges, its petals, its skin is thick and yellow, and Yessin is gin.” In general, the fruit is rounded, yellow and red, not skin-tight, juicy and fragrance; the fruit of oranges is flat, red or yellow, thin and smooth, and tastes sour. Although there are differences between citrus and oranges, they are commonly used in everyday languages, such as broad oranges and honey citrus。