sphere
柯林斯詞典
1. N-COUNT A sphere is an object that is completely round in shape like a ball. 球體
Because the earth spins, it is not a perfect sphere. 因為地球旋轉，所以它不是個完完全全的球體。
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 /sf??/ (spheres)
劍橋詞典
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. 醫(yī)生們用一個金屬球替換了他的髖骨頂端。
sphere noun [C] (AREA)
a subject or area of knowledge , work , etc.（知識、工作等的）范圍，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(jīng)濟領域 返回 sphere