hub

US /hʌb/
UK /hʌb/
"hub" picture
1.

轮毂, 轴心

the central part of a wheel, rotating on or with the axle, and from which the spokes radiate

:
•
The bicycle wheel's hub was greased for smoother rotation.
自行车车轮的轮毂被润滑以实现更平稳的旋转。
•
The spokes connect from the rim to the hub.
辐条从轮辋连接到轮毂。
:
centerpivotaxis
2.

中心, 枢纽

the effective center of an activity, region, or network

:
•
London is a major financial hub.
伦敦是一个主要的金融中心。
•
The airport serves as a regional travel hub.
该机场是区域性旅行枢纽。
:
centercorenexusfocal pointheart