@英语课代表，你英语好，看看这说的是啥？我非常疑惑，我是不是没看懂。

https://www.foxnews.com/us/boston-university-lethal-covid-strain-lab

Boston University researchers claim to have developed new, more lethal COVID strain in lab

Researchers at Boston University added a spike protein from the Omicron variant with the original Whuan strain, which has an 80% kill rate

 

波士顿大学的研究人员在原始 Whuan 菌株中添加了来自 Omicron 变体的刺突蛋白，该菌株具有 80% 的杀灭率