n.防病毒；反病毒

I spent most of the day Wednesday killing off the virus and vaccinating uninfected systems. 星期三那一天我把大部分時(shí)間花在清除病毒并給未受感染的系統(tǒng)安裝防病毒程序。

We must have the common understanding that we should not let our guard down to prevent a new outbreak of the deadly virus. 國(guó)人仍須保持警戒之心，以防病毒再次肆虐，這是我們的共識(shí)。

Most AV programs use a database of known virus signatures. 大多數(shù)反病毒程序使用已知病毒特征數(shù)據(jù)庫(kù)。