The wheel was typically a large wooden wagon wheel with many radial spokes, but a wheel was not always used.

车轮通常是一个有许多径向辐条的大型木制车轮, ，但并不一定是用车轮。

youdao

Supporting evidence for the cone hypothesis includes radial spokes in the image that might run along the cone walls.

支持这个锥状说法的证据，包括了可能是沿着圆锥边缘分布的反射状结构。

youdao

Look at the radial, hub-and-spokes, design of Spain's rail networks and Air Iberia's flights.

ECONOMIST: Charlemagne