compounds of nitrogen and oxygen

例句：

1. 1. The discovery of new compounds has led to significant advancements in medicine.
   新化合物的发现在医学上取得了重大进步。
2. 2. The study of complex systems requires a deep understanding of their constituents.
   研究复杂系统需要深刻理解其组成部分。
3. 3. The chemical compound of the two elements is known as cyanide.
   两种元素的化学组合被称为氰化物。