diphthalate

例句：

1. 1.The chemical was used in the production of plastics.
   这种化学物质用于生产塑料。
2. 2. Diphthalates are commonly found in food additives.
   二甲苯酸常存在于食品添加剂中。
3. 3. The diphthalates were found to have a negative impact on human health.
   研究发现，二甲苯酸对人体健康有负面影响。