hub
剑桥词典
hub noun [C] (CENTRAL PART)
the central or main part of something where there is most activity
中心;枢纽
The City of London is the hub of the UK's financial world . 伦敦城是英国金融业的中心。
The computer department is at the hub of the company's operations . 计算机部是这家公司运转的枢纽。
hub noun [C] (WHEEL)
the central part of a wheel into which the spokes (= bars connecting the central part to the outer edge of the wheel ) are fixed
轮毂 返回 hub