a deep smile的用法和样例：
- Before you begin, take a deep breath and smile!
- 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 ravine is on the left of the road.
- A deep melancholy runs through her poetry.
- She had just woken from a deep sleep.
a deep smile的相关资料：