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新东方-柯林斯雅思备考词典
sphere
英 [sfɪə]
[NOUN]
spheres
1. [C 可数名词] 球体
A sphere is an object that is completely round in shape like a ball.
近义词
双语例句
例：Because the earth spins, it is not a perfect sphere.
因为地球旋转，所以它不是个完完全全的球体。
例：the volume of a hollow sphere.
空心球的容积。
2. [C 可数名词] （活动、兴趣的）领域
A sphere of activity or interest is a particular area of activity or interest.
近义词
双语例句
例：the sphere of international politics.
国际政治领域。
例：nurses, working in all spheres of the health service.
在医疗卫生各个领域工作的护士。