单词：argentums
音标：[ɑː'dʒentəm] ；
n. [化学] 银
单词：argentums 相关文章
Because chemists for so long worked in isolation, conventions were slow to emerge. Until well into the second half of the century, the formula H2O2 might mean water to one chemist but hydrogen peroxide to another. C2H4 could signify ethylene or marsh
发表于:2019-01-29 / 阅读(265) / 评论(0)
万物简史
万物简史