[mass noun]the process of infecting or the state of being infected (受)感染;(受)传染;(受)侵染 strict hygiene will limit the risk of infection. 严格的卫生状况能降低受传染的危险。 ■[count noun]an infectious disease 传染病 a chest infection. 胸部传染病。 ■(Computing)the presence of a virus in, or its introduction into, a computer system (计算机)(计算机系统)病毒感染,病毒传播
语源
late Middle English: from late Latin infectio(n-), from Latin inficere 'dip in, taint' (see infect)