亚硫酸的英文:sulfurous acid参考例句:This sodium bisulfite is what will allow the gold to precipitate. 亚硫酸氢钠正是使金沉淀的物质。sulfurous是什么意思:a. 硫磺的;含有硫磺的A corrosive solution of sulfur trioxide in sul http://www.24en.com/p/262331.html
英语作文:一切刚开始:本文由作文地带整理分享,希望各位网友喜欢。
"We are reading the first verse of the first chapter of a book whose pages are infinite…”
“我们正在读一本书的第一章第一行,这本书的页数是... http://www.joozone.com/gaokao/803478.html