20170309词

hub　　n. 毂，木片，中心
  1. 1.
    the central part of a wheel, rotating on or with the axle, and from which the spokes radiate.
     
  2. 2.
    the effective center of an activity, region, or network.
    "the city has always been the financial hub of the country"
     
posted @ 2017-03-09 10:31  田云  阅读(126)  评论(0)  编辑  收藏  举报