hub

轮轴，轴心

（重要性、活动等的）中心

hub

毂, 木片, 中心

网络集线器, 网络中心

hub

1. the central part of a car wheel (or fan or propeller etc) through which the shaft or axle passes

(hypernym) ,

(part-holonym)

2. a center of activity or interest or commerce or transportation; a focal point around which events revolve; "the playground is the hub of parental supervision"; "the airport is the economic hub of the area"

(hypernym) , , , ,

(hyponym) , ,