pelitic

例句：

1. 1. The chemical was used to make plastics and other materials.
   这种化学物质被用来制造塑料和其他材料。
2. 2. The factory produces a variety of products using this pelitic acid.
   这家工厂使用这种石炭酸生产各种产品。
3. 3. Pelitic acid is harmful to the environment and should be avoided in daily life.
   石炭酸对环境有害，日常生活中应避免使用。