释义 |
sphere ROUND OBJECTHsfIE5, $sfIrn [C]an object shaped like a round ball球形,球体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。Doctors have replaced the top of his hip bone with a metal sphere.医生用一个金属球体代替了他的髋骨上端。
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