Busy hour traffic的意思|示意

We could fly at 480 km per hour, avoiding traffic lights and busy roads.

我们可以以每小时480公里的速度飞行，避开红绿灯和繁忙的道路。

Gliding across the dusky sky, the craft startled locals and frightened air-traffic controllers, who promptly closed Hangzhou's busy airport and locked down the city's airspace for more than an hour.

这飞行器划过昏暗的夜空，吓到了当地居民；空中交通管理者也感到惊恐，立即关闭了繁忙的杭州机场，并将城市的空域锁定了一个多小时。

The roads were very busy so traffic crawled along at ten miles an hour.

马路上交通极为拥挤，所以车辆往来以每小时十公里的速度慢行。

Tom: Is the traffic very busy this hour?

汤姆：这个时候交通拥挤吗？