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geometry 幾何 a solid figure that is completely round, with every point on its surface at an equal distance from the centre 球；球體；球形 
The Earth is not a perfect sphere. 地球並不是一個完全的球體。
any object that is completely round, for example a ball 圓球；球狀物 an area of activity, influence or interest; a particular section of society 範圍；領域；階層；界 the political sphere 政界 This area was formerly within the sphere of influence of the US. 這一地區先前屬於美國的勢力範圍。 He and I moved in totally different social spheres. 我和他進入了完全不同的社會圈子。
Extra ExamplesRome's sphere of influence extended across Europe, North Africa and the Middle East. 羅馬的勢力範圍遍及歐洲、北非以及中東地區。 Rome's sphere of influence extended as far as Scotland. 羅馬的勢力範圍擴張至蘇格蘭。 His work is little known outside the academic sphere. 他的成果在學術界以外鮮爲人知。 In the novel, men and women enjoy separate spheres of action. 在這部小說裏，男人和女人喜歡完全不同的行爲。 The matter is outside my sphere of responsibility. 這件事不歸我負責。 The region is within the Russian sphere of influence. 這一地區在俄羅斯的勢力範圍内。 Debate should be confined to the sphere of economics rather than politics. 辯論應限定在經濟領域而不是政治領域。 The government had control over all spheres of life. 政府控制了生活的所有領域。
Oxford Collocations Dictionaryadjective- wider
- separate
- academic
- …
- in somebody’s/the sphere
- within somebody’s/the sphere
- outside somebody’s/the sphere
- …
- a sphere of activity
- a sphere of influence
- a sphere of life
- …
- -sphere
(in nouns 構成名詞 a region that surrounds a planet, especially the earth （包圍地球等的大氣的）層 ionosphere 電離層 atmosphere 大氣層
Word OriginMiddle English: from Old French espere, from late Latin sphera, earlier sphaera, from Greek sphaira ‘ball’.