n.
1.the pathological state resulting from the invasion of the body by pathogenic microorganisms
2.(phonetics) the alteration of a speech sound under the influence of a neighboring sound
3.(medicine) the invasion of the body by pathogenic microorganisms and their multiplication which can lead to tissue damage and disease
4.an incident in which an infectious disease is transmitted
同義詞： contagion / transmission
5.the communication of an attitude or emotional state among a number of people
the infection of his enthusiasm for poetry
同義詞： contagion
6.moral corruption or contamination
ambitious men are led astray by an infection that is almost unavoidable
7.(international law) illegality that taints or contaminates a ship or cargo rendering it liable to seizure
感染 [gǎn rǎn]
1.又稱傳染。細菌、病毒和寄生蟲等病原體侵入生物體後，引起明顯或不明顯的病理反應。無明顯癥狀的，稱隱性感染。醫院中病人之間的相互感染，則稱交叉感染。
2.受到傳染。
孩子感染了病毒。
3.通過語言或行動引起他人相同的思想感情和行為。也指受到別人思想、行為的影響。
李大釗《戰後之世界潮流》：“意大利非常危險，因為他的國民性很容易感染這種思想。”
巴金《英雄的故事》：“我感染到他這種愉快的心情，我也微笑了。”