当它们感染生物膜表层的细菌后，它们会迅速繁殖，胀爆细菌，释放出新的病毒，感染下层的细菌，很快即使是在最深层的细菌也会被感染。

When it infects the bacteria on the biofilm's surface, they burst and release viruses that infect those underneath, soon exposing even deeply embedded bacteria to infection.

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你的大脑同样也会释放出某种叫做伽马球蛋白的物质来加强你的免疫系统和另一种被称为干扰素的化学物质来与病毒，感染乃至癌症做斗争。

Your brain also releases something called Gamma Globulin to strengthen your immune system and another chemical called Interferon which combats viruses, infections and even cancer.

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当你的身体这样做时，流感病毒会快速复制并释放出毒素，使你感觉不舒服。

While your body is doing this, the flu virus multiplies quickly and releases toxins which makes you feel ill.

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In other cases, the virus propagates in such high numbers that release is literally an explosion of the cell.

在另一些时候,病毒的数量相当大,那么释放病毒就会使细胞的爆裂

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They're going to release a viral agent that will kill half of this country.

他们会释放出一种病毒，让这个国家一半的人丧命。

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