poison

The farmer put out poison in the barn to get rid of the mice that were eating the grain.

(Chinese) 农民在谷仓里放了毒药，以除掉那些吃谷物的耗子。

Some species of tropical frogs have bright colors to warn predators that they carry deadly poison.

(Chinese) 某些种类的热带蛙拥有鲜艳的颜色，以警告捕食者它们携带致命毒液。

In the historical mystery novel, the assassin tried to poison the king's wine during the feast.

(Chinese) 在这部历史推理小说中，刺客试图在宴会期间在国王的酒里下毒。

The factory was fined for poisoning the local river with toxic chemical waste.

(Chinese) 该工厂因用有毒化学废物污染（下毒）当地河流而被罚款。