poisoning
n. 中毒
v. 毒害（poison 的 ing 形式）
例句
Someone had been poisoning his food.
有人一直在他的食物里下毒。
《牛津词典》
The rats were controlled by poisoning.
用毒杀法使老鼠受到控制。
He was suffering from salmonella poisoning.
他当时正忍受着沙门氏菌中毒的折磨。
《柯林斯英汉双解大词典》
