radial
/ˈreɪdɪəl; `redɪəl/ adj
of or arranged like rays or radii; having bars, lines, etc that radiate from a central point 放射（式）的; 辐射（状）的; 径向的; 星形的
radial spokes, eg in a bicycle wheel 径向辐（如自行车的辐条）
a radial engine, ie one with cylinders pointing outwards from a central crankshaft 星形发动机. radial, n (also radial-ply tyre) tyre with the cords in its outer casing arranged radially to the hub of the wheel, so making it stronger and able to grip better on wet road surfaces 径向帘布轮胎; 子午（线轮）胎; 辐射状轮胎. Cf 参看 cross-ply.