congestion
US /kənˈdʒes.tʃən/
UK /kənˈdʒes.tʃən/

1.
拥堵, 堵塞
the state of being overcrowded or blocked, especially with traffic
:
•
Traffic congestion is a major problem in big cities.
交通拥堵是大城市的一个主要问题。
•
The airport experienced severe congestion due to bad weather.
由于恶劣天气,机场出现了严重的拥堵。
2.
充血, 堵塞
the blocking of a bodily passage or organ, especially with blood or mucus
:
•
Nasal congestion can make it difficult to breathe.
鼻塞会让人呼吸困难。
•
She used a decongestant to relieve her chest congestion.
她用减充血剂来缓解胸部充血。