1. 名詞
   ravine複數: 峽谷, 溪谷
   山峽
   溝壑, 山溝
   

   同義字詞
   canyon,cañon,couloir,defile,flume,gap,gorge,gulch,gulf,notch,pass
   

例句

1. Olympus has numerous ravines and gullies.
2. Most ravines align northeast to southwest.
3. Near river valleys are common canyons and ravines .
4. Steep hills and ravines result in a unique topography.
5. Creeks traverse the UCSC campus within several ravines .
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