雅思(IELTS)考试词汇辅导H7N9禽流感词汇1.H7N9 avian influenza 禽流感; 2.influenza virus 流感遥; 3.fever 发热; 4.cough 咳嗽; 5.breathing difficulty 呼吸困难; 6.swine flu 猪流感
