1
maths the distance from the centre of a circle to its edge, or a straight line from the centre to the edge (圆的)半径 Synonyms and related words
-
a.
a particular distance in all directions from a central point 半径范围 All roads within a two-mile radius of the stadium were closed. 体育馆两英里范围内的所有道路都已封闭了。
Synonyms and related words