noun 下载 🔗分享 流行性感冒, 流感 An acute contagious disease of the upper airways and lungs, caused by a virus, which rapidly spreads around the world in seasonal epidemics. Examples : "The influenza virus spread quickly through the school, causing many students to miss class. " 流行性感冒病毒在学校里迅速传播，导致很多学生无法上课。 medicine virus disease 与AI对话词汇游戏阅读练习
