n. the central part of a car wheel (or fan or propeller etc) through which the shaft or axle passes
n. a center of activity or interest or commerce or transportation; a focal point around which events revolve
n. 毂, 木片, 中心
[计] 插座; 插孔; 集线器, 集中器, 连接器, 中继站
1. The city is a major hub for international flights.
这座城市是国际航班的重要枢纽。
2. Our office is located in a tech hub with many startups.
我们的办公室位于一个有许多初创公司的科技中心。
3. The library serves as a hub for community events and activities.
这个图书馆作为社区活动的中心。