petroporphyrin

例句：

1. 1.Petroporphyrin is a type of pigment found in the blood vessels of plants.
   卟啉是一种存在于植物血管中的色素。
2. 2.The discovery of petroporphyrin has led to new research on the function of this molecule.
   卟啉的发现推动了对这一分子功能的深入研究。
3. 3. In recent years, scientists have been exploring the potential applications of petroporphyrin in medicine and technology.
   近年来，科学家们一直在探索卟啉在医学和技术领域的潜在应用。