hub

音標(biāo)發(fā)音

the commercial hub of the city
城市的商業(yè)中心
Chicago is a hub of airline traffic.
芝加哥是航運中心.
Lee was at the hub of some incisive attacks in the second half.
在下半場，李組織了幾次快速進攻。
the commercial hub of the city
城市的商業(yè)中心
As a hub of finance and communications, Paris is now almost equal to London.
作為一個金融和交通中心，巴黎現(xiàn)在幾乎可媲美倫敦。

(CENTRAL PART) the central or main part of something where there is most activity
(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

輪轂
As an example, the forging of the second-generation hub bearing outer-ring is analyzed.
以二代輪轂軸承外圈鍛造為例進行模擬分析。
轉(zhuǎn)輪體