论文范文：英语介词语言功能辨别与翻译之应用.docx

论文范文：英语介词语言功能辨别与翻译之应用  1 Introduction  1.1 Research Background English prepositional phrases (PPs) are small in number, but they play an important rolein English. The survey of English preposition usage in some predominant dictionaries showsthat the number of the most frequently used preposi