sphere
Definition
A round solid figure where every point on the surface is equidistant from the center; also, a particular area of activity or influence.
中文 每个表面点距中心等距的圆形立体图形；也指特定的活动或影响范围。
Example
"Earth is nearly a perfect sphere."
A round solid figure where every point on the surface is equidistant from the center; also, a particular area of activity or influence.
中文 每个表面点距中心等距的圆形立体图形；也指特定的活动或影响范围。
"Earth is nearly a perfect sphere."