firing top-centre

例句：

1. 1. The rifle was aimed at the top-centre of the target.
   步枪瞄准了靶子的顶端。
2. 2. The soldiers were trained to fire from the top-centre of the battlefield.
   士兵们被训练从战斗场地的顶端射击。
3. 3. The hunters were instructed to aim for the top-centre of the deer.
   猎人被指示瞄准鹿的顶端。