1. a coarse file with sharp pointed projections. 
   有尖端的粗糙的锉刀。
2. To file or scrape with a coarse file having sharp projections. 
   粗锉用粗糙的锉子擦，锉或刮，发出刺耳的声音
3. A coarse file with sharp, raised, pointed projections. 
   粗锉一种有锋利，突出，尖锐凸起的钝锉子
4. Half the kids round here are unemployed. 
   这里的年轻人有一半失业.
5. a thin round file shaped like the tail of a rat. 
   形似老鼠尾巴的细圆的锉刀。

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• 1. 粗半圆锉
  粗毛羊 coarse half round file...粗半圆锉 coarse indented cut plating iron...粗牙槽刨刀 coarse indicator
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