In the past, he said, people have caught other types of swine flu from contact with infected pigs.

他说，过去有人在接触感染病毒的猪时得了其他类型的猪流感。

youdao

In the past, he said, people have caught other types of swine flu from contact with infected pigs.

他说，过去有人在接触感染病毒的猪时得了其他类型的猪流感。

youdao