Definition: to put poison or a dangerous substance in something Level: B2
有人故意在聚会的食物里下毒。
Someone deliberately ___poisoned the food at the party.
工业废料毒害了河流，导致鱼类全部死亡。
Industrial waste ___poisons the river, killing all the fish.
火灾产生的有毒烟雾污染了社区空气。
The toxic fumes from the fire ___poison the air in the neighborhood.
