例句與造句

1. Though its tides raced there was no navigable watercourse joining it with the headwaters of the Harlem River, which flowed in an " S "-shaped course southwest and then north into the East River.
2. Instead Mohun, recognised for the leading role he played in many of the engagements, was in March 1894 appointed by Dhanis to be second-in-command of an expedition to determine whether there was a navigable watercourse between Lake Tanganyika and the upper Lualaba River.
3. It's difficult to find navigable watercourse in a sentence. 用navigable watercourse造句挺難的