hub
[hʌb] noun countable
CENTRAL PART 中心部分
■the central or main part of something where there is most activity 中心；枢纽•The City of London is the hub of Britain'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.电脑部是这家公司运作的枢纽。
[hʌb] noun countable
WHEEL 轮
■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 ； 轮轴 |