双光气

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 has been extensively studied.
   这种化合物的毒性已经进行了广泛的研究。
3. 3. Due to its high boiling point, it is often used as a solvent for organic reactions.
   由于其高沸点，它常被用作有机反应的溶剂。