Here in Mendoza there are very good restaurants, but one of them is my favorite and it's located in Godoy Cruz, Mendoza.

favorite 是形容词，意思是"最喜欢的、最喜爱的"。这个词来自动词 favor（偏爱、喜爱），加上后缀 -ite 构成形容词形式，表示"最受偏爱的"。 在句中作表语，表示"（某物）是我最喜欢的"。