名词:sphericity 动词过去式:sphered 过去分词:sphered 现在分词:sphering 第三人称单数:spheres
1 (a) solid figure that is entirely round (ie with every point on the surface at an equal distance from the centre) 球体; 球形. =>illus at cube 见cube插图.
(b) any object having approximately this shape (eg a ball, a globe) 球状物.
2 (a) range or extent (of sb's interests, activity, influence, etc) （某人的兴趣、活动、影响等的）范围
*a sphere of influence, eg area over which a country, etc claims certain rights 势力范围（如一国的）
* Her sphere of interests is very limited. 她的爱好很有限.
(b) group in society; person's place in society 社会阶层; 社会地位
*It took him completely out of his sphere. 这件事完全超出了他的生活范围了.
* distinguished in many different spheres, eg in artistic, literary and political circles 在许多领域出众（如艺术、文学、政治等方面）.
[Date: 1200-1300; Language: Old French;Origin: espere, from Latin sphaera, from Greek sphaira 'ball, sphere']
a ball shape
a particular area of activity, work, knowledge etc
in ... sphere
television's increasing role in the political sphere
Women have often been excluded from positions of power in the public sphere.
sb's/sth's sphere of influence
a person, country's, organization's etc sphere of influence is the area where they have power to change things
1. The first animals on this living sphere, the Earth, were primitive marine animals, and then around 500 million years ago these sea animals developed shells. 在地球这个有生命的星球上，最早的动物是原始海洋动物。后来，在大约5亿年前，这些海洋动物进化成甲壳动物。
2. He drew a world map on a sphere. 他在球上面画一幅世界地图.
3. And to exercise such initiative as falls within their sphere, then administrative overheads will be low. 在各自的工作范围内发挥主动性，行政管理费用就会降低。