详细解释:n. 毂, 木片, 中心
【计】 插座; 插孔; 集线器, 集中器, 连接器, 中继站
相关词组:
up to the hub
from hub to tire
英语解释：
名词 hub:
the central part of a car wheel (or fan or propeller etc) through which the shaft or axle passesa center of activity or interest or commerce or transportation; a focal point around which events revolve例句：
The capital and largest city of Malaysia, on the southwest Malay Peninsula northwest of Singapore. Founded by tin miners in1857, it is the commercial and industrial hub of the country. Population, 937,817.吉隆坡马来西亚的首都和最大城市，位于马来半岛的西南部、新加坡西北。于1857年由锡矿工人建立，现为该国的商业和工业中心。人口937, 817