搜索结果: 1-1 共查到“知识库 哲学 salt”相关记录1条 . 查询时间(0.078 秒)
Why there is no salt in the sea
科学哲学 技术哲学 science philosophy technological philosophy chemistry philosophy 化学哲学 有关化学
2007/3/16
What, precisely, is 'salt'? It is a certain white, solid, crystalline, material, also called sodium chloride. Does any of that solid white stuff exist in the sea? — Clearly not. One can make salt from...