compound compact

例句：

1. 1. The scientist discovered a new compound that could be used in medicine.
   科学家发现了一种可以用于医药的新化合物。
2. 2.The chemical reaction is a complex process that requires careful monitoring.
   化学反应是一个复杂的过程，需要仔细监控。
3. 3. The compound was made by combining two different elements.
   这种化合物是由两种不同的元素混合制成的。