toxa

例句：

1. 1. The poisonous snake was a real danger to the children.
   这条有毒的蛇对孩子们构成了真正的威胁。
2. 2. The toxin in the medicine caused severe allergic reactions.
   这种药物中的毒素引起了严重的过敏反应。
3. 3. The toxins in the food could be harmful to human health.
   食物中的毒素可能对人类健康有害。