liú gǎn jì / lái lín / hòu / xué xiào / měi tiān / tí xǐng / xué shēng / kāi chuāng / tōng fēng流感季来临后,学校每天提醒学生开窗通风。After flu season arrives, the school reminds students to open the windows and ventilate the rooms every day.