rusting ['rʌstɪŋ]

例句:

• This had once been the greatest port in the world, now it was a graveyard of rusting cranes.
  这里一度是全球最大的港口，现在堆满了锈迹斑斑的吊车。
  
• There was an old rusting bolt on the door.
  门上有一个生锈的旧门闩。
  
• Zinc can be used to cover other metals to stop them rusting.
  锌可用来涂在其他金属表面以防锈.
  
• Sturdy trees grew up between rusting swing sets.
  来自VOA
• Union Carbide's old pesticide manufacturing units are slowly rusting.
  来自VOA
• The parts now sit rusting on a dirt lot near the dam.
  来自WSJ