How to Use "mountainous" with Example Sentences

1. The mountainous country is rich in minerals , but the investment risk is only growing .
2. In mountainous , rice-growing guangxi , peng yingxue began piano lessons when she was four .
3. We expect that these mountainous jerks will soon threaten every aspect of our lives , from sex to sports .
4. Yunnan is a quake-prone , mountainous region that lies on china 's southern border with thailand and burma .
5. The three say they were hiking in a mountainous border region and have denied the spying charges .