hub

• 名词，指中心点或连接多个组件以促进通信或数据传输的设备或枢纽。也指活动的中心或焦点。

A noun referring to a central point or device that connects multiple components in a network or system, facilitating communication or data transfer.

1. Central point of activityB1formal

   A central point where many activities, operations, or connections converge.

   活动中心

   • The city is a major transportation hub for the region.
   • The new community center became a hub for local events.
   • The airport serves as a hub for international flights.

   同义词capitalcentercorefocal pointheartmeccanerve centernucleuspivot

2. Network deviceB2formalIT

   A device that connects multiple computers or devices in a network, allowing them to communicate.

   集线器

   • The IT technician connected all the computers to the network hub.
   • A hub is a basic networking device used in local area networks.
   • The hub allows data to be transmitted between all connected devices.

   同义词repeater

3. B2formal

   The central part of a wheel that rotates on an axle.

   轮毂

   • The wheel's hub is made of reinforced steel.
   • The mechanic replaced the damaged hub on the bicycle.
   • The hub connects the spokes to the axle of the wheel.

   同义词bosscenternave