Hub
01
轮毂, 车轮中心
the central part of a wheel where the axle is housed, allowing the wheel to rotate freely
例子
The racing team upgraded the car 's hubs to improve handling and performance.
赛车队升级了汽车的轮毂以提高操控性和性能。
例子
The tech hub of the country is home to many startups and innovation centers.
该国的科技中心是许多初创企业和创新中心的所在地。
03
中心, 枢纽
a central station, airport, etc. that provides passengers with many services
