来自古法语 salpetre,硝石，硝酸钾，来自拉丁语 sal petrae,石头上的盐，来自 sal,盐，词源同 salt,petra,石头，词源同 petrous,petrol.因这种物质形如盐在石头上的结晶体而得名。
saltpeter 用法和例句提示：点击例句中的单词，就可以看到词义解释
提示：点击例句中的单词，就可以看到词义解释
Taught us to mix sulphur and saltpeter .
你教我们去调配硝石与硫磺。
Where did you get the saltpeter ?
你从哪里拿到硝酸钾?
Back then , potash was derived from the ashes of hardwood trees and other plants , and mainly used to make soap , glass and saltpeter for gunpowder .
那时碳酸钾是从硬木树和其他植物的灰中提取出来的，主要用于生产肥皂、玻璃和火药硝石。
Humberstone processed the largest deposit of saltpeter ( nitrate 's nickname ) in the world and provided the valuable mineral to countries in north america and europe for fertilizers , food preservatives and explosives .
