He first promised two weeks ago to clear Britain's congested roads.

他在两周前首次承诺解决英国道路拥堵的问题。

Some areas are congested with both cars and people. [+ with]

有些地方挤满了车和人。

The arteries in his neck had become fatally congested.

他颈动脉栓塞，危在旦夕。