created sense approved 轮毂/輪轂 · lúngǔ · hub
轮毂 / 輪轂
lúngǔ
hub
The central part of a wheel through which the axle passes.
他正在检查车轮中心的轮毂是否松动。
noun
created sense approved 轮毂/輪轂 · lúngǔ · rim
轮毂 / 輪轂
lúngǔ
rim
The outer metal part of a wheel that supports the tire, or the entire metal wheel structure.
这辆车换了一套全新的铝合金轮毂。
noun