a deep slumber的用法和样例：
- He awoke from a deep slumber.
- Hey sleepyhead, tired of alarms that aren't loud or persistent enough to wake you from a deep slumber?
- Just woken from a deep slumber, Laharl did not even know of his father's death, and had to join in the battle for the throne with his numerous subordinates.
- The medieval town was fortified with a high wall and a deep moat.
- A deep gorge separates the two halves of the city.