这位军官佩戴着一把古老的弯刀，刀鞘上装饰着精美的花纹。

The officer carried an ancient ___saber with intricate designs on its scabbard.

骑兵用军刀砍倒了敌人。

The cavalry ___sabered the enemy in battle.

他在击剑训练中总是选择使用佩剑。

He always chooses to use a ___saber during his fencing practice.