tricycla

例句：

1. 1. This chemical is used in the production of plastics and other materials.
   这种化学物质用于生产塑料和其他材料。
2. 2.The toxicity of this compound was studied in a laboratory experiment.
   这种化合物的毒性在实验室实验中进行了研究。
3. 3.Tricylchloride is a common solvent for organic reactions.
   三氯甲烷是有机反应的常见溶剂。