Erwinia

例句：

1. 1. Erwinia was the first to discover the bacteria that cause food poisoning.
   欧文氏是第一个发现引起食物中毒的细菌的人。
2. 2. The researchers found a new strain of Erwinia that could be used in agriculture.
   研究人员发现了一种新菌株的欧文氏，可以在农业中使用。
3. 3. Erwinia is a type of bacterium that can cause diseases in humans and animals.
   欧文氏是一种细菌，可以导致人类和动物的疾病。