Spoke
01
辐条, 车轮辐条
a thin rod that connects the center of a wheel to its outer edge
例子
The bicycle 's wheel has several spokes that keep it strong and lightweight.
自行车的轮子有几根辐条，使它既坚固又轻便。
One of the spokes on my bike broke during the ride.
我自行车的一个辐条在骑行过程中断了。
02
梯级, 横档
one of the crosspieces that form the steps of a ladder
