a nub of coal

 
  • 一小块煤

a nub of coal的用法和样例:

例句

  1. Put a few more lumps of coal into the fire.
    再往火里添几块煤。
  2. May be used in iced coal or lump coal with a certain thickness.
    能用于对一定厚度的冻煤或大块煤采样。
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