No public health emergencies pose a food poisoning case, no School happened at a public health emergency.

无构成突发公共卫生事件的食物中毒事件，无发生在学校的突发公共卫生事件。

youdao

Is five seconds on the floor the critical threshold that separates a piece of eatable food from a case of food poisoning?

在地上停留五秒钟是将可食用食物与食物中毒区分开来的临界阈值吗？

youdao

So is five seconds on the floor the critical threshold that separates a piece of eatable food from a case of food poisoning?

那么，在地板上放五秒钟这个时间，是将可食用食物与食物中毒区分开来的临界阈值吗？

youdao

Sixty percent of the people in Bangladesh are affected in the largest mass poisoning case in the world currently.

CNN: Filter cleans arsenic-tainted water

The most notable case of ricin poisoning was in 1978, when a Bulgarian dissident was lethally injected with it by an operative of that country's secret service.

NPR: Tests Link Deadly Ricin To Obama Letter Suspect

The most notable case of ricin poisoning was in 1978, when a Bulgarian dissident was lethally injected with ricin by an operative of that country's secret service.

NPR: Experts: Ricin Like That In Letters Easy To Make