流感病毒蔓延全球，各国尝试以不同方法减缓蔓延速度，各大药厂则加速生产猪流感疫苗。
As the virus has spread worldwide, countries have tried different methods to slow it down and pharmaceutical companies are now racing to produce a swine flu vaccine.
流感病毒蔓延全球，各国尝试以不同方法减缓蔓延速度，各大药厂则加速生产猪流感疫苗。
As the virus has spread worldwide, countries have tried different methods to slow it down and pharmaceutical companies are now racing to produce a swine flu vaccine.
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