我的电脑行为异常,我怀疑是病毒。
My computer has been behaving oddly and I suspect it's a ___virus.
那个文件是个病毒,删除了我电脑上的所有文档。
That document was a ___virus and erased all my documents on my computer.
你应该安装杀毒软件来保护电脑免受病毒侵害。
You should install antivirus software to protect your computer from a ___virus.