pleonastic       
adjective  language specialized uk/ˌpliː.əˈnæs.tɪk/ us/ˌpliː.əˈnæs.tɪk/
 冗述的;赘述的
using more words than are needed to express a meaning, either unintentionally or for emphasis
  The prose is often pleonastic in nature. 散文在本质上往往是冗长重复的。 
 Some pleonastic phrases, such as "tuna fish" or "advance reservation", become part of normal idiom. 像“金枪鱼鱼”或“提前预约”这种同义反复的短语已经变成了日常习语。 
 Compare: tautological
 - More examples
 - "Get it for free" is pleonastic - it is only necessary to say "Get it free".
 - Out of context, the prepositional phrases may look pleonastic.
 - The pleonastic use of the third person personal pronoun seems to have been common in all periods of English.
 - Pleonastic redundancy does not make a phrase ungrammatical.