sphere

sphere
noun

a round solid figure, or its surface, with every point on its surface equidistant from its center
圆形实心体，球体；球面
■an object having this shape; a ball or globe
球体物；球；地球
■a globe representing the earth
地球仪
■(chiefly poetic/literary)a celestial body
(主诗/文)天体
■(poetic/literary)the sky perceived as a vault upon or in which celestial bodies are represented as lying
(诗/文)苍穹，天，天空
■each of a series of revolving concentrically arranged spherical shells in which celestial bodies were formerly thought to be set in a fixed relationship
天体外壳（指一系列旋转着的同心圆球形壳体之一，旧时认为各天体以某种固定的相互关系存在于其中）
an area of activity, interest, or expertise; a section of society or an aspect of life distinguished and unified by a particular characteristic
（活动、兴趣、专业知识的）范围，领域；社会阶层
political reforms to match those in the economic sphere.
与经济领域的改革相称的政治改革。

verb

[with obj.](archaic)enclose in or as if in a sphere
(古)将…封入球体中
■form into a rounded or perfect whole
形成球体；形成完美的整体

常用词组
music (或harmony) of the spheres

the natural harmonic tones supposedly produced by the movement of the celestial spheres or the bodies fixed in them
天体音乐（想象中天球运行时所产生的自然音乐）

sphere of influence (或interest)

a country or area in which another country has power to affect developments though it has no formal authority
势力范围，利益范围
■a field or area in which an individual or organization has power to affect events and developments
个人或组织能对之施加重大影响的领域（或范围）

派生
spheral
adjective

语源

Middle English: from Old French espere, from late Latin sphera, earlier sphaera, from Greek sphaira 'ball'

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