网站首页 汉语 德语 英语
(1864–1909), Russian-born German mathematician. He worked on the properties of sets in multidimensional systems, and suggested the concept of four-dimensional space–time, which was the basis for Einstein's general theory of relativity.
雅致网英汉双解词典包含236457条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。