congestion [kənˈdʒestʃən]

例句:

• We might bypass traffic congestion with commuter rail systems.
  来自SA
• Energy consumption, congestion and pollution have increased.
  能源消耗、交通堵塞以及污染状况愈加严重。
  
• traffic congestion and pollution
  交通拥塞和污染
  
• The congestion in the city gets even worse during the summer.
  夏天城市交通阻塞尤为严重.
  
• Home working can also help to reduce transport congestion.
  来自THETIMES
• The congestion in the two cities is similar.
  来自WSJ