安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- World-Class Road, Gravel, Mountain Bikes | CANYON US
Shop the full range of carbon and aluminum road bikes, mountain bikes, triathlon bikes, e-bikes more Buy manufacturer-direct and have shipped to your home
- Canyon - Education | National Geographic Society
A canyon is a deep, narrow valley with steep sides “Canyon” comes from the Spanish word cañon, which means “tube” or “pipe ”The term “ gorge ” is often used to mean “canyon,” but a gorge is almost always steeper and narrower than a canyon The movement of rivers, the processes of weathering and erosion, and tectonic activity create canyons
|
|
|