1. 冗余：sun pumping 日光抽运 | superabundance 冗余 | superaudio 超音频的

2. superabundance的解释

2. 多余：superabound 过剩 | superabundance 多余 | superabundant 过多的

3. 过剩数：summator 求和器加法器 | superabundance 过剩数 | superadditive functional 超加性泛函

4. 过多;极多：super. 特级的;过分精细的;超微粉的 | superabundance 过多;极多 | superachromatic 超消色差的

1. a quantity that is more than what is appropriate

    e.g. four-year-olds have an overabundance of energy
           we received an inundation of email

    Synonym: overabundanceovermuchovermuchness