毒理学地

例句：

1. 1. The study ofpoisonous substances is afundamental part of toxicology.
   研究有毒物质是毒理学的基本部分。
2. 2. The researcherconducted experiments to understand the effects of differentpoisons on human health.
   研究者进行了实验，以了解不同毒药对人类健康的影响。
3. 3. Thechemist was analyzing the chemical compositionof the poison used in the murder.
   化学家正在分析用于谋杀的毒药的化学成分。