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单词 hub
释义 hub
 /hub/,  n.  ,  v.  , hubbed, hubbing.
  n.  
  1. the central part of a wheel, as that part into which the spokes are inserted.
  2. the central part or axle end from which blades or spokelike parts radiate on various devices, as on a fan or propeller.
  3. a center around which other things revolve or from which they radiate; a focus of activity, authority, commerce, transportation, etc.: Chicago is a railroad hub.
  4. the Hub, Boston, Mass. (used as a nickname).
  5. the peg or hob used as a target in quoits and similar games.
  6. any one of the holes in an electrical panel, into which connections may be plugged.
  7.  Coining.   a design of hardened steel in relief, used as a punch in making a die.
  8.  Survey.   a stake bearing a tack used to mark a theodolite position.
  9.  Metalworking.   a die forced into a metal blank.
  v.t.  
  10.  Metalworking.   to stamp (a metal blank) with a hub.
 [1505-15; perh. var. of HOB1]
 Syn. 3. core, pivot, heart.
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更新时间:2024/12/23 14:36:46