grinding wheel

名词 n.
中文释义

英文释义

名词 n.
  1. A wheel composed of an abrasive compound and used for various grinding and abrasive machining operations.
  2. Something that wears down or harms by attrition. broadly,figuratively
    — A competing branch argues, in turn, that crime policy—policing policy in particular—has become more punitive given the heightened power of penal bureaucrats together with the diminished influence of the persons and populations most often subject to the grinding wheels of penal administration.

词形变化

grinding wheels plural
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