第三步：如爆发猪流感，出入公共场所应佩戴口罩，并为家人、孩子购买口罩等防护用品。

Step3: Should a major outbreak occur, purchase breathing masks and wear them any time while out in public. Be sure and purchase masks for your children and family as well.

youdao

第三步：如爆发猪流感，出入公共场所应佩戴口罩，并为家人、孩子购买口罩等防护用品。

Step3: Should a major outbreak occur, purchase breathing masks and wear them any time while out in public. Be sure and purchase masks for your children and family as well.

youdao