冠状病毒

zhè xiē bìng dú bèi chēng wéi guān zhuàng bìng dú tā men shì dǎo zhì fēi diǎn de zuì kuí huò shǒu

这些病毒被称为冠状病毒，它们是导致非典的罪魁祸首。

These viruses are known as coronavirus. They are responsible for SARS.