自然产生的毒素，例如真菌毒素、海洋生物毒素、生氰苷和有毒蘑菇产生的毒素，定期引起严重中毒。
Naturally occurring toxins, such as mycotoxins, Marine biotoxins, cyanogenic glycosides and toxins occurring in poisonous mushrooms, periodically cause severe intoxications.
中毒的全过程相当迅速，只要沾染上百万分之一克的有毒物质便会迅速送命。
The poisoning is relatively rapid and a millionth of a gram is sufficient to kill.
食物中毒的症状常常是在食用了有毒食品的几个小时内发生。
The symptoms of food poisoning usually begin within hours of eating the poisoned food.
应用推荐