医药科学
人日冕形病毒
In this they resemble the three groups of coronaviruses already known to cause animal and human diseases, among them the common cold.
ECONOMIST: SARS: Getting a grippe | The
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。