Cách sử dụng
A canyon is a deep, narrow valley with steep sides. It is formed by erosion caused by a river or other water source. Canyons can be found in different parts of the world, such as the Grand Canyon in the United States or the Fish River Canyon in Namibia. You can use the word 'canyon' to describe a place that has a steep-sided valley or to talk about a specific canyon you have visited or seen in pictures.