一种病毒感染因子 viral infectivity factor ; VIF
一种叫汤姆的病毒 A Virus Named TOM
是一种宏病毒 CIH
一种肠病毒 enteroviruses
一种电脑病毒 Worm
是一种文件型病毒 CIH
被一种未知病毒攻击 Attack by an unknown virus ; Being an unknown virus attack ; By an unknown virus attacks
是一种邮件型病毒 CIH
本发明提供一种蛙病毒 Tiger Frog Virus ; TFV
人类病毒一种 Rhesus lymphocryptovirus
不久以前,人们还无法想象一种病毒能使众多国家封闭,而安全网被证明是如此灾难性地缺乏灵活性。
Not very long ago, it was also unthinkable that a virus would shut down nations and that safety nets would be proven so disastrously lacking in flexibility.
政府计划通过使用一种病毒来减少兔子的数量,这种病毒已经在其他地方的兔子种群中造成了毁灭性的流行病。
The government proposes to reduce the population by using a virus that has caused devastating epidemics in rabbit populations elsewhere.
麻疹由副粘病毒科的一种病毒引起。
We know now that it's caused by a related virus, called vaccinia, remember the virus that causes smallpox is called variola.
我们现在知道这病由一种相关的病毒引起,这种病毒叫牛痘病毒,想想天花病毒也被叫做牛痘病毒
So, this is a cell that's infected with a microorganism, it's infected with a virus, let's say it's infected with influenza virus.
这是一个感染了微生物的细胞,它感染了一种病毒,就说是感染了流感病毒吧
This is a life cycle of a particular class of viruses called retroviruses.
这里是称为逆转录病毒的一种特殊病毒的,生命周期
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