a whole regiment of volunteers的用法和样例：
- A whole regiment of crack C.I.D men had been thrown into the front lines to find out who he was.
- A whole regiment of the enemy troop got caught in our ambush was eliminated completely.
- You can find whole regiment of birds on the islet.
- You can find whole regiments of birds on the islet.
- Whole regiments of the enemy surrendered.