1. | 球;球体;球形a solid figure that is completely round, with every point on its surface at an equal distance from the centre |
2. | 圆球;球状物any object that is completely round, for example a ball |
3. | 范围;领域;阶层;界an area of activity, influence or interest; a particular section of society |
the political sphere 政界 | |
This area was formerly within the sphere of influence of the US. 这一地区先前属于美国的势力范围。 | |
He and I moved in totally different social spheres. 我和他进入了完全不同的社会圈子。 |
4. | (包围地球等的大气的)层a region that surrounds a planet, especially the earth |
ionosphere 电离层 | |
atmosphere 大气层 |