好词典

infection

UK //ɪnˈfek.ʃən//US //ɪnˈfek.ʃən//

词源

源自拉丁语 'infectio',由 'inficere'(污染、浸染)演变而来,14世纪进入英语。

noun

❶ 指细菌、病毒等病原体侵入人体或生物体,引发疾病的过程或状态。常见于医疗、卫生等场景。

“The wound must be cleaned to prevent infection.”

(必须清洁伤口以防止感染。)

“She is taking antibiotics to treat the infection.”

(她正在服用抗生素治疗感染。)

❶ 可引申为不良思想、情绪或事物的传播扩散,带有负面含义。

“Rumors spread like an infection through the community.”

(谣言像传染病一样在社区中传播。)

“His anger seemed to cause an infection of negativity in the team.”

(他的愤怒似乎在团队中引发了负面情绪的传染。)

同义词:contagion, disease, infestation, pollution

常见短语

viral infection — 特指由病毒引起的感染,如流感或感冒,区别于细菌感染。

“Most colds are caused by viral infections.”

(大多数感冒是由病毒感染引起的。)

secondary infection — 在原有疾病基础上发生的额外感染,常使病情复杂化。

“The patient developed a secondary infection after surgery.”

(患者在手术后出现了继发感染。)