Pigs are flu sponges, capable of contracting both bird and human viruses that can jump across the species barrier, Richt says.

里希特说，猪是流感海绵，能够跨跃物种界线吸取人类和禽类的流感病毒。

youdao

Richt and his colleagues drew together a frightening array of studies of flu viruses extracted from people and a small zoo of animals over the past several decades.

里希特及其同事从过去几十年中的人和一个小动物园动物身上提取了流感病毒，集中进行一系列惊人的研究。

youdao

Richt and his colleagues drew together a frightening array of studies of flu viruses extracted from people and a small zoo of animals over the past several decades.

里希特及其同事从过去几十年中的人和一个小动物园动物身上提取了流感病毒，集中进行一系列惊人的研究。

youdao