supercharger
noun /ˈsuːpətʃɑːdʒə(r)/
  /ˈsuːpərtʃɑːrdʒər/
- part of an engine that supplies air or fuel at a pressure that is higher than normal(用增压器)增压的,提高功率的 - VW’s supercharger for its 16-valve engine大众汽车 16 阀发动机专用增压器 
 
- VW’s supercharger for its 16-valve engine