第60集-禽流感小常識 詳細內容 作者 管理員 分類: 讀家英語 發佈: 24 四月 2019 點擊數: 687 列印 Your browser does not support the audio tag. The term “bird flu” describes one of several influenza viruses that birds can carry. But several types can also infect humans. These are different in makeup from the usual human flus. 上一篇 下一篇