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infect

“Infect” 是一个动词,来自拉丁语 “infectus”,主要含义是感染或传染。并且不仅限于生物的疾病感染,还可以用来形容信息、情绪、信念等的传播。

例如:

  1. The flu has infected many people this winter. (这个冬天很多人被流感感染了。)
  2. His enthusiasm infected everyone around him. (他的热情感染了他身边的所有人。)
  3. This computer is infected with a virus. (这台电脑被病毒感染了。)

“Infect” 的词根是 “-fect”,这个词根来源于拉丁语,意为 “做,制造”。其他由这个词根衍生出来的单词包括:affect(影响),perfect(完美),defect(缺陷)等等。

“In-” 是 “infect” 的词缀,表示方向或位置。像 “inbound”(开往内地的), “indoor”(室内的) 中的 “in-” 等。

“Infect” originates from the late Middle English: from Latin infect- ‘stained’, from the verb inficere, from in- ‘into’ + facere ‘do’. The word came into its medical usage around the 16th century to denote contamination with disease-producing materials.

过去式和过去分词:infected 现在分词:infecting 名词形式:infection

联想记忆法: “in” (进入) + “fect” (做) = 做进入的事情,像病菌、病毒做的,那就是感染。

David did not wash his hands after sneezing and infected his sister with the cold. (David打喷嚏后没洗手,把感冒传染给了他的妹妹。)