| 单词 | 球心 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔center〕A point equidistant from all points on the circumference of a circle or on the surface of a sphere.圆心，球心：与一圆周上或一球面上所有点等距的一点美国传统〔great circle〕A circle described by the intersection of the surface of a sphere with a plane passing through the center of the sphere.大圆：一个通过球心的平面与球面相交所形成的圆美国传统Every point on the surface of a sphere is at an equal distance from its centre.球面上的每一点到球心的距离都是相等的。剑桥国际 |
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