radii 详细解释

radii

['reidiai]

n. 半径
名词radius的复数形式

英英释义

名词 radius:

the length of a line segment between the center and circumference of a circle or sphere

同义词:radius, r

a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)

同义词:radius

a circular region whose area is indicated by the length of its radius

同义词:radius

the outer and slightly shorter of the two bones of the human forearm

同义词:radius

support consisting of a radial member of a wheel joining the hub to the rim

同义词:spoke, wheel spoke, radius

补充

radiiradii英:[ˈreidiai] 美:[ˈrediˌaɪ]n.1.半径