Level 5 · word 6,204 of 20,000
hub
/ˈhʌb/
American

- n. 轮毂, 中心
- Definition
- n. the central part of a wheel, or a place that is the center of an activity or area
- Example
- The city became a major hub for international trade.
- 这座城市成为国际贸易的重要枢纽。