1 N-COUNT 球(体)；球形 A sphere is an object that is completely round in shape like a ball. 球(体)；球形
2 N-COUNT (活动、兴趣等的)范围，领域 A sphere of activity or interest is a particular area of activity or interest. (活动、兴趣等的)范围，领域
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...the sphere of international politics. [+ of]
国际政治领域
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...nurses, working in all spheres of the health service. [+ of]
在公共医疗保健服务业的各领域工作的护士们
SYN field, range, area, department [informal]
3 N-COUNT (社会地位或兴趣等相同的)人群，阶层，圈子 A sphere of people is a group of them who are similar in social status or who have the same interests. (社会地位或兴趣等相同的)人群，阶层，圈子
SYN rank, class, station, status
4 PHRASE [sphere inflects] (国家的)势力范围，影响所及的范围 A country's sphere of influence is an area of the world where it has a lot of influence. (国家的)势力范围，影响所及的范围
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They see the region as their natural sphere of influence due to their historical links and a shared language.
基于历史上的联系和共同的语言，他们把该地区看成是自己天然的势力范围。
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...countries traditionally within the British or American spheres of influence.
传统上处于英国或美国势力范围内的国家
SYN area, range, scope, field
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