双节棍

例句：

1. 1. He practiced with a double-edged sword to improve his martial arts skills.
   他练习用双刃剑来提高他的武术技巧。
2. 2. The dancer performed a beautiful routine using a double-headed cane.
   舞者表演了一段使用双头拐杖的美丽节目。
3. 3. The man wielded a double-barreled shotgun to defend himself against the attackers.
   那名男子挥舞着双管猎枪来抵御攻击者。