例句與造句

1. Near the western end, there were S-curves as the highway passed on a bridge over the Virginian Railway, with short approach fills and considerable grades.
2. The highway there originally was 4-lane undivided with a 45-mph S-curve as the highway passed on a bridge over the railroad, and with short approach fills with considerable grades to the bridge.
3. It's difficult to find approach fill in a sentence. 用approach fill造句挺難的