a remote mountainous district

• 偏僻的山区

a remote mountainous district的用法和样例：

例句

1. He spent his childhood in the remote mountain area.
   他的童年时代是在这个偏远的山区度过的。
2. Nowadays tractors are used even in remote mountainous regions.
   现在连偏僻的山区也用上了拖拉机。