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GRE 蓝宝 TOEFL

目录

[编辑] 解释

[编辑] GRE 红宝书

  • n. 轴心; 中心
  • [英] n. 轴心 ( the center part of a wheel ) ; 中心 ( a center)
  • [类] spoke : hub / radius : center ( 轮辐到轮轴距离相等 / 半径到圆心距离相等)
  • [例] a hub of learning and culture ( 学术文化中心)

[编辑] Webster Collegiate

noun

  • Etymology: probably alteration of [sup]2[/sup]hob
  • Date: 1649
  • 1. the central part of a circular object (as a wheel or propeller)
  • 2.
    • a. a center of activity ; focal point
    • b. an airport or city through which an airline routes most of its traffic
    • c. a central device that connects multiple computers on a single network
  • 3. a steel punch from which a working die for a coin or medal is made


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