"saltpeter" in Chinese (Simplified)
硝石硝酸钾
Definition
硝石是一种矿物，通常被称为硝酸钾，用于制造火药、肥料和食品保鲜。
Usage Notes (Chinese (Simplified))
多用于科学、历史或技术语境。不等同于食盐。化学上专指硝酸钾。
Examples
Saltpeter is used to make gunpowder.
**硝石**用于制造火药。
Farmers add saltpeter to improve soil.
农民们添加**硝石**来改良土壤。
Some old recipes use saltpeter to preserve meat.
有些老食谱用**硝石**来保存肉类。
The miners worked all day to collect saltpeter from the caves.
矿工们整天在洞穴里采集**硝石**。
In history class, we learned about the role of saltpeter in wars.
历史课上，我们学习了**硝石**在战争中的作用。
Did you know saltpeter was once a key ingredient in fireworks?
你知道**硝石**曾经是烟花的主要成分吗？