So this is the big continental divide for the course.

这便是本课程的分水岭。

The first organized exploration of the area which lies close to the continental divide of North America took place in 1870.

1870 年，对靠近北美大陆分水岭的地区进行了首次有组织的勘探。

39. The continental divide refers to an imaginary line in the North American Rockies that divides the waters flowing into the Atlantic Ocean from those flowing into the Pacific.

39。大陆分水岭是指北美洛矶山脉上的一道想象线，该线把大西洋流域和太平洋流域区分开来。