每日英语20170309

Posted 2020-09-03 田云

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"