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His immune system failed, and he caught a never-ending series of viruses and infections.他的免疫系统出了问题，不断受到病毒和感染侵袭。Computer systems throughout the country are being affected by a series of mysterious rogue programs, known as viruses.全国的计算机系统都感染了一系列诡异的流氓程序，即病毒。The software provides a shield against hackers, worms and viruses.该软件能够防御电脑黑客、蠕虫和病毒的攻击。A program is supplied which scans for viruses and removes them.有人提供了一个程序用来扫描并消除病毒。You need to safeguard your computer against viruses.你要保护你的电脑不受病毒侵害。Most viruses are spread over the Internet.大多数计算机病毒是通过因特网传播的。Needle exchanges provide clean and sterile equipment to promote safer injecting and reduce the spread of blood-borne viruses.针头换新处提供干净消毒的设备，鼓励安全注射，减少病毒通过血液传播。Your computer is vulnerable to viruses.你的电脑容易染上病毒。These viruses affect children and are highly infectious.这些病毒会侵袭儿童，而且具有很强的传染性。Computer viruses are at the very least annoying and often actually destructive.计算机病毒少说也很烦人，实际上还经常具有破坏性。Sometimes it's hard to tell whether illnesses result from bacteria or viruses.有时候很难分辨疾病到底是细菌引起的还是病毒引起的。All bacteria are larger than viruses.所有细菌都比病毒大。Most throat infections are caused by viruses.大多数喉部感染都是由病毒引起的。Computer viruses plague Internet users.计算机病毒困扰着互联网用户。Effective programs are available to safeguard your data against computer viruses.可以找到效果好的程序保护数据，使其免遭电脑病毒侵害。Chronic alcohol abuse and hepatitis viruses can lead to cirrhosis, a potentially fatal scarring of the liver.长期酗酒和肝炎病毒会导致肝硬化，对肝脏具有潜在的致命伤害。The antibodies work by latching onto proteins on the surfaces of the viruses and bacteria.抗体通过与病毒和细菌表面的蛋白质结合而发挥作用。The software will detect and remove viruses.这款软件可以检测并清除病毒。Antibodies are large proteins produced by plasma cells used by the immune system to identify and neutralize bacteria and viruses that invade the body.抗体是由身体浆细胞产生的一种蛋白，可以辨识并且中和入侵的细菌或毒素。Even the most security-conscious computer user is under constant threat from computer viruses.即使安全意识最强的计算机用户也会不断受到计算机病毒的威胁。The software checks your hard drive for viruses.这种软件可以检查硬盘驱动器是否有病毒。The complement system plays an important role in human immunological defences against cancer, bacteria, and viruses.补体系统在人体对癌症、细菌和病毒的免疫防御中有重要作用。Those computer viruses can be murder.那些计算机病毒可能非常危险。 |