单词:C2H4CL2
[=ethylene chloride]氯化乙烯
单词:C2H4CL2 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(48) / 评论(0)
万物简史
今天上海新东方陈鹏飞给大家总结托福基础词汇中表示表示关shut的词根clud, clus。其同源词分别是①include包括,包含; ②inclusion 包括,包含;③exclude 排除; ④exclusive排他的,专有的;⑤conclude结束
发表于:2019-02-19 / 阅读(140) / 评论(0)
托福英语