continental divide

基本解释

So this is the big continental divide for the course.
这里就是这个课程的大分水岭。
This morning I drove west on Highway 82 from Twin Lakes, which leads to the Continental Divide at Independence Pass.
那天早晨，我从孪生湖沿着82号公路上向西行驶到美国大陆洛矶山脉分水岭。
The continental divide refers to an imaginaryline in the North American Rockies that divides the waters flowing into the Atlantic Ocean from those flowing into the Pacific.
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。

So this is the big continental divide for the course.
这里就是这个课程的大分水岭。
耶鲁公开课 - 死亡课程节选

There is truly a continental divide with respect to the economics of Division I schools.
FORBES: Athletics Offer Glitter But Little Gold For Universities
The Colorado Department of Transportation closed U.S. 6, which crosses the Continental Divide near the scene of the avalanche, to facilitate the search.
NPR: 5 Snowboarders Killed In Colorado Avalanche
In fact, you have to cross the Mississippi River and the Continental Divide to find the new breed of pro-business Democrats, led by New Mexico's governor, Bill Richardson.
FORBES: Magazine Article

the watershed of a continent, esp (often caps.) the principal watershed of North America, formed by the Rocky Mountains