This finding provided critical evidence that the virus was new to the human immune system.
这一研究结果提供了关键证据，证实此病毒是人体免疫系统遇到的新病毒。
The healthier you are, the better your immune system will protect you against the virus.
你越健康，你的免疫系统就能更好地抵御病毒的侵袭。
You catch a cold when a virus infects your upper respiratory system.
当上呼吸系统感染了病毒，人就会得感冒。
Carrying computer virus endangering the computer system.
含有计算机病毒，可能危害计算机系统安全的。
The virus has infected the operating system of his computer.
病毒已使他的计算机操作系统受到传染。
Did you check for a virus on your system?
你对你的系统做了病毒检查吗？
Does the virus cause damage to the system?
病毒会对系统造成损害吗？
The virus suppresses the body's immune system.
这种病毒抑制身体的免疫系统。
Lungs and immune system were main target organs attacked by the virus.
肺部和免疫系统是病毒主要作用的靶器官。
Usually hackers or computer virus intrude a computer system by security holes.
通常，计算机黑客和电脑病毒利用安全漏洞入侵计算机系统。
Virus attacks on the system is active, not to the will of the people.
病毒对系统的攻击是主动的，不以人的意志为转移的。
In most women, the immune system destroys the virus before it causes cancer.
大多数的妇女在导致癌症前，免疫系统就已经将病毒破坏了。
Computer virus is a great threat to the security of information system.
计算机病毒是信息系统安全的大敌之一。
AIDS virus called HIV, is a body's immune system to attack the virus.
艾滋病病毒简称HIV，是一种能攻击人体免疫系统的病毒。
Use your antivirus software to do a complete system scan for virus infections.
使用杀毒软件做一个全面的系统扫描病毒感染。
For example, the virus program will infect your system files.
例如，病毒程序会感染您的系统文件。
And we are exhausted by the computer virus and errors in system.
我们常常为遭受病毒或系统出现错误烦恼不已。
And we are exhausted by the computer virus and errors in system.
我们常常为遭受病毒或系统出现错误烦恼不已。
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