a mountaintop ranch的用法和样例：
- Rifle on a mountaintop, Ive got you in my sights.
- Rifle on a mountaintop, I've got you in my sights.
- The photo was taken with a giant telescope on a mountaintop in Chile.
- Many people mark Chung Yeung by climbing hills in remembrance of an ancient Chinese family which escaped plague and death by fleeing to a mountaintop.