a forest region的用法和样例：
- They ran a railroad into the forest region.
- They lived in a house on the edge of a forest.
- The CDB came under fire late last year for its role in plans for a palm-oil plantation in a forested region of Indonesia.
- The scene is laid in a forest surrounding a mysterious castle.
- An airplane was swanning over a forest.
- Mrs.Anne Sterling showed her colours when she ran through a forest after two robbers.