这是网上刚查到的相关：文章题目自己去看

来源: 聂耳 于 2021-03-28 06:42:24 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (1421 bytes)
  • Doctors explain how COVID-19 prevention efforts have diminished flu-related deaths this year.

 

  • The flu has almost entirely disappeared this winter, with just over 1,500 cases reported in the U.S. since late September.

所有跟帖： 

• 希望这能回答分得清分不清的问题。睡觉去了 -聂耳- ♂ 给 聂耳 发送悄悄话 聂耳 的博客首页 (0 bytes) () 03/28/2021 postreply 06:45:29

请您先登陆，再发跟帖！