dirtboard

例句：

1. 1. The kids played on the mudboard during recess.
   孩子们在课间休息时玩泥板。
2. 2.The team used a mudboard to navigate through the shallow water.
   团队使用泥板在浅水中导航。
3. 3. The children enjoyed playing with their mudboards in the sandbox.
   孩子们喜欢在沙箱里用泥板玩耍。