dual carriageway造句怎么写

But on the outskirts of the city, just off a busy dual carriageway, is the collection of low-rise, landscape-gardened buildings that make up the Cambridge Science Park.

This will join a dual carriageway, follow the dual carriageway to the next roundabout where you will need to be in the far right hand lane.

The road opened out into a dual carriageway.

"At that point, the road opens out and becomes a dual carriageway."