[, ]the central and most important part of a particular place or activity（某地或活动的）中心，核心◆the commercial hub of the city城市的商业中心◆Mumbai, India's financial hub孟买，印度的金融中心◆He's a man who likes to feel he's at the hub of things(= where things happen and where important decisions are made).他是那种乐于把自己当成事物中心的人。 (; ) in a system of transport or communication, a central place to which passengers, messages, etc. go before going on to another place（通信）枢纽；（运输）中转◆All international flights are via our hub at Schipol airport.所有的国际航班经由我们的阿姆斯特丹史基浦大型中转机场转机。◆a distribution/transportation/network hub分销／运输／网络枢纽◆a hub airport大型中转机场