bed mud的用法和樣例:
例句
- Persistence of the herbicide in the mud was irrespective of formulation.
除草劑在底泥中的持久性與劑型無關。
- 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.
他們用淘盤舀出小溪溪底泥沙,然後淘去泥沙,希望有金子留下來。
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