sandek

例句：

1. 1.He used a sandbag to block thedoor from the intruder'sview.
   他用沙袋堵住了门，不让入侵者看到。
2. 2. The soldiers were using sandbags to reinforce the wall.
   士兵们正在用沙袋加固城墙。
3. 3. The sandbags were heavy andmade it difficult for him tomove around.
   这些沙袋很重，让他很难移动。