1. The origin of these peculiar glassy spheres remains an enigma. 这些奇特的玻璃球体的起源仍然是个谜。
2. Bernal of the University of London, who packed hard spheres into a rubber vessel in such a way as to obtain the maximum possible density. 伦敦大学的伯纳尔教授把硬球体装入橡胶容器中，以获得可能的最大密度。
3. He and I moved in totally different social spheres. 我和他处在完全不同的社会圈子里。
4. We are doing this work in the context of reforms in the economic, social and cultural spheres. 我们正在经济、社会和文化领域改革的背景下从事这项工作。
5. Nye has now turned his attention to the relationship between power and leadership, in both the political and business spheres. 奈现在将注意力转向了政治和商业领域的权力与领导力之间的关系。
