Definition: the activity of going for a long walk for pleasure outdoors Level: A2
我们这个周末要去山里徒步旅行。
We're going ___hiking in the mountains this weekend.
我需要买些新的徒步靴了。
I need to buy some new ___hiking boots.
我们开车到山里，徒步走了一整天。
We drove to the mountains and went ___hiking all day.
