科学家们警告，该病毒可能变异成更致命的形式。
Scientists warn that the virus could mutate into a much deadlier form.
乔布斯桑，请问您是否会将苹果描述成细菌或者病毒？
Mr. Jobs, would you describe Apple as a bacteria or a virus?
而且这病毒株随时可能变异成更大毒力型。
And the strain could change at any moment into a more serious form.
两种病毒杂交成现在我们得到的这种新病毒。
因为SIV能变异成能在人类中传播的病毒。
SIV can mutate into a form that allows it to pass from human to human.
病毒通常被设计成自动传播到其他计算机使用。
A virus is often designed so that it is automatically spread to other computer use.
三分成之一至一半的普通感冒都由鼻病毒引起。
They are responsible for anywhere between a third and half of all common colds.
三分成之一至一半的普通感冒都由鼻病毒引起。
They are responsible for anywhere between a third and half of all common colds.
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