• Swine flu, H5N1 avian influenza and in fact all influenza viruses are believed to have originated in animals.

    据称,流感H5N1禽流感所有流感病毒起源于动物

    youdao

  • Swine flu, H5N1 avian influenza and in fact all influenza viruses are believed to have originated in animals.

    据称,流感H5N1禽流感所有流感病毒起源于动物

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定