ravines

例句:

• Birches and oaks feathered the narrow ravines.
  桦树和橡树密生于狭谷中.
  
• The city is built on the rock rising out of ravines.
  这座城市建在高出峡谷的岩石上.
  
• They jumped ravines, they slid down cliffs.
  他们是沟也跳, 是崖也跳.
  
• They sweated up steep hills, and on footpaths above deep ravines.
  来自VOA
• Probably my favorite thing to do is walk in the city's ravines.
  来自WSJ
• Snow leopard Snow leopards are exceptional athletes capable of making huge leaps over ravines.
  来自BBC