toxic characteristic

例句：

1. 1.The substance's toxic characteristic is responsible for its harmful effects.
   这种物质的毒性特征是导致其有害影响的原因。
2. 2.The study revealed that the chemical had a toxic characteristic that could be dangerous to humans.
   研究发现，这种化学物质具有对人类有害的毒性特征。
3. 3. The company's product was found to have a toxic characteristic that could cause serious health problems.
   该公司的产品被发现具有可能导致严重健康问题的毒性特征。