英语语法分析

How did the eye congest to do?

眼睛充血了怎么办？

To block, congest, or clog.

阻塞，塞满，堆满。

Air traffic congest engenders huge economic loss, and it is also very dangerous to flight.

空中交通拥挤不仅造成巨大的经济损失，也是飞行安全的重要隐患。