a deep frown的用法和样例：
- There was a deep frown on his brow.
- There was a deep frown on his face when he was pondering a problem.
- A deep frown carved creases into his marble forehead. He obviously wished he'd stuck to the subject of Rosalie.
- The medieval town was fortified with a high wall and a deep moat.
- A deep gorge separates the two halves of the city.
a deep frown的相关资料：