例句與造句

1. About half a mile north of the village is the south portal of Blisworth tunnel-accessible by a walk along the old towpath ( on the eastern side of the canal-north of the village, the western side is either private property or inaccessible . ) The tunnel is long and is the longest wide, freely navigable tunnel in Europe.
2. It's difficult to find navigable tunnel in a sentence. 用navigable tunnel造句挺難的