hub

汉语翻译

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:

1. the central part of a car wheel (or fan or propeller etc) through which the shaft or axle passes
2. a center of activity or interest or commerce or transportation; a focal point around which events revolve

例句：

1. 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
2. A slot for a key in the hub or shaft of a wheel.
   键槽轮子的毂或轴里的键的沟槽

详细解释：

hub

n.（名词）
The center part of a wheel, fan, or propeller.
轮轴：轮子、风扇或推进器之中心部分
A center of activity or interest; a focal point.See Synonyms at center
中心；焦点：活动或兴趣之中心；焦点参见 center

来源：
Probably alteration of hob
可能为 hob的变化