例句與造句

1. From a fur trading post at the Missouri's navigable limit, it evolved into a hub of travel and commerce from which much of the state and, by way of the infamous Whoop-up Trail, Western Canada were settled.
2. They managed to reach the navigable limit of the river Utongo, for from there happening for the river C髇go up to the river Muni, from which they descended then to go to the coasts of the Buru, placed to the North-East of Corisco's Bay.
3. It's difficult to find navigable limit in a sentence. 用navigable limit造句挺難的