verbiage       
noun [ U ]  formal disapproving uk/ˈvɜː.bi.ɪdʒ/ us/ˈvɝː.bi.ɪdʒ/
 冗词,废话,赘语
language that is very complicated and contains a lot of unnecessary words
  His explanation was wrapped up in so much technical verbiage that I couldn't understand it. 他的解释充斥着太多晦涩累赘的专业术语,我根本就听不懂。