hub
Definition
The central part of a wheel, rotating around the axle; a central point of activity or connection.
中文 轮子绕轴旋转的中心部分；活动或连接的中心点。
Example
"The airport serves as a major hub for international flights."
The central part of a wheel, rotating around the axle; a central point of activity or connection.
中文 轮子绕轴旋转的中心部分；活动或连接的中心点。
"The airport serves as a major hub for international flights."