sjambok

例句：

1. 1.He used the sjambok to block the door when he was attacked by the thieves.
   他用沙袋挡住了门，以防被盗贼袭击。
2. 2.The soldiers were using sjamboks as weapons in their training exercises.
   士兵们在训练中使用沙袋作为武器。
3. 3.After the earthquake, they found a sjambok buried under the rubble.
   地震后，他们在废墟下发现了一个沙袋。