单词：spacetime
时空
词型变化：名词复数形式 : spacetimes
单词：spacetime 相关文章
The most challenging and nonintuitive of all the concepts in the general theory of relativity is the idea that time is part of space. Our instinct is to regard time as eternal, absolute, immutablenothing can disturb its steady tick. In fact, accordin
发表于:2019-02-17 / 阅读(98) / 评论(0)
万物简史
万物简史