sphere
柯林斯词典
1. N-COUNT A sphere is an object that is completely round in shape like a ball. 球躰
Because the earth spins, it is not a perfect sphere. 因爲地球鏇轉，所以它不是個完完全全的球躰。
2. N-COUNT A sphere of activity or interest is a particular area of activity or interest. (活動、興趣的) 領域
...the sphere of international politics. …國際政治領域。
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sphere /sfɪə/ (spheres)
剑桥词典
sphere noun [C] (ROUND OBJECT)
an object shaped like a round ball
球，圓球；球狀物
Doctors have replaced the top of his hip bone with a metal sphere. 毉生們用一個金屬球替換了他的髖骨頂耑。
sphere noun [C] (AREA)
a subject or area of knowledge , work , etc.（知識、工作等的）範圍，領域，圈，界
the political sphere 政界
exchanges with other countries , particularly in cultural , scientific , and economic spheres 與其他國家的交流，特別是在文化、科學和經濟領域 返回 sphere