今天我们要学的词是virus. Virus 病毒。The head of the WHO warned the world of a new virus named MERS-CoV, which is found in Saudi Arabia. 世界卫生组织负责人对一种在沙特阿拉伯发现的病毒向全世界提出警告，这种新病毒被命名为MERS-CoV病毒。The WHO has yet to learned how the new virus spreads, making it difficult to prevent infections. 世界卫生组织尚未研究出这种新病毒的传播方式，这就给预防传染增加了难度。The WHO is calling on all nations of the world to pull together their resources to study and tackle this new virus. 世界卫生组织呼吁世界各国集合资源，共同研究征服这种新病毒。好的，今天我们学习的词是 virus, virus, virus...