【简答题】What Is a Coronavirus? 冠状病毒是什么? Coronaviruses are a family of viruses that typically attack the respiratory ( 呼吸的 ) system. The name comes from the Latin word corona, meaning crown. Under a microscope...
【简答题】The name comes from Herman Melville's Moby Dick, a _______ American novel. Yes, I know it. It is a novel about the 19th century _________industry.