bed mud

• 底泥

bed mud的用法和样例：

例句

1. Persistence of the herbicide in the mud was irrespective of formulation.
   除草剂在底泥中的持久性与剂型无关。
2. They dip the pan into the bed of the stream, and then pan out the sand and dirt, hoping that some gold will be left.
   他们用淘盘舀出小溪溪底泥沙，然后淘去泥沙，希望有金子留下来。