frontier

After selling their small farm, the couple decided to frontier in a remote valley, planting fruit trees and raising chickens.

用法提示：frontier 在此作动词不定式，表示在边疆地区拓荒定居。

My aunt frontiers in a small mountain community, where she raises goats and grows vegetables.

用法提示：frontier 以第三人称单数形式 frontiers 出现，表示当前在边疆拓荒生活。

While they are frontiering along the river, they rely on hunting and fishing for food.

用法提示：frontier 以现在分词形式 frontiering 出现，表示正在进行的边疆拓荒生活。