chemovar

例句：

1. 1. The study of genetics is a fascinating field that involves the study of chemical variations in living organisms.
   遗传学研究是令人着迷的领域，它涉及到对活体生物中化学变异的研究。
2. 2. In the process of evolution, certain species have undergone chemical mutations that have allowed them to adapt to new environments.
   在进化过程中，某些物种经历了化学变异，这些变异使它们能够适应新的环境。
3. 3. The discovery of new chemical variants has opened up new possibilities for drug development and medical research.
   发现新的化学变种为药物开发和医学研究开辟了新的可能性。