/ˌprepəˈzɪʃn/ n.介词，前置词 Prepositions are words which begin prepositional phrases. A prepositional phrase is a group of words containing a preposition, a noun or pronoun object of the preposition, and any modifiers of the object. 介词：
/ˌprepəˈzɪʃn/ n.介词，前置词 Prepositions are words which begin prepositional phrases. A prepositional phrase is a group of words containing a preposition, a noun or pronoun object of the preposition, and any modifiers of the object. 介词：