scrapers

例句:

• Scrapers sometimes fight back with software that deciphers captchas.
  来自WSJ
• Sky scrapers were outlined against the sky.
  天空衬托出摩天大楼的轮廓.
  
• The economical haul distances of bulldozers, scrapers and dump trucks are different.
  推土机 、 铲运机和自卸汽车的经济运距各不相同.
  
• Buildings over 100 meters tall are called sky scrapers.
  我们一般把高度超过100米的建筑称为超高建筑.
  
• The company's Stockholm team blocks scrapers on behalf of website clients.
  来自WSJ
• Mule-drawn scrapers replaced the wheelbarrows, but not until the twentieth century.
  来自NEWYORKER