Riverside County and San Bernardino County to the north form this metro area. Like many such metro areas in the Southwest, it extends far into uninhabited desert areas, in this case east through the Mojave Desert to the Nevada/Arizona border. Larger than nine U.S. states, it is often referred to as the Inland Empire.
I agree with tchrist that the word doctor in doctor appointment is a noun (attributive noun I believe), although the definition of an attributive noun is a noun used as an adjective, so maybe it's just semantics at some point.
A specific word order tells the hearer what is new information (focus) versus old information (topic), but it does not mark the subject and the object (in English, word order is fixed â subjectâverbâobject). Nouns in Nez Perce are marked based on how they relate to the transitivity of the verb. Subjects in a sentence with a transitive verb take the ergative suffix-nim, objects in a sentence with a transitive verb take the accusative suffix-na, and subjects in sentences with an intransitive verb donât take a suffix.