a paratroop battalion的用法和样例：
- TOYE: Hey, as long as he's a paratrooper.
- A paratrooper was scared to jump.
- Recent instructions direct that the equipment of a paratroop tactical unit be carried in the same formation as the personnel and dropped in the same area.
- In barracks all the officers of a battalion mess together.
- There is a vein of melancholy in his character.