venomization

例句：

1. 1. The factory has been venomizing the water supply with chemicals for years.
   这家工厂多年来一直用化学物质毒化水源。
2. 2. The scientist's experiments have led to a venomization of the environment.
   科学家的实验导致了环境的毒化。
3. 3. The poisonous snake had already venomized its prey before it could strike.
   这条有毒的蛇在攻击猎物之前已经毒化了它。