1、preposition的词典解释是：介词；前置词Apreposition is a word such as 'by', 'for', 'into', or 'with' which usually has a noun group as its object。2、preposition的例句是用作名词(n.)Preposition is abbreviated as "prep" in this dictionary.介词在词典中略作 “prep”。3、preposition的意思是n.介词。