sporopollenin

例句：

1. 1. Sporopollenin is a key component of pollen grains and plays a crucial role in the process of pollination.
   花粉粒素是花粉粒的关键成分，在授粉过程中起着至关重要的作用。
2. 2. The study of sporopollenin has led to new insights into the molecular mechanisms underlying plant growth and development.
   对花粉粒素的研究揭示了植物生长和发育背后的分子机制的新见解。
3. 3. In recent years, scientists have discovered that sporopollenin can be used asa biomarker for detecting diseases in plants.
   近年来，科学家发现花粉粒素可以作为植物疾病的生物标志物进行检测。