
好词典
源自希腊语 pathos(痛苦) + -gen(产生者),字面意思为‘致病源’(disease producer)。
❶ 病原体,指能引发疾病的微生物或生物因子,包括细菌、病毒、真菌等,通常通过感染宿主导致健康问题。
“The scientists studied how the pathogen spreads in human cells.”
(科学家研究了这种病原体如何在人体细胞中传播。)
“Washing hands frequently helps to kill harmful pathogens.”
(勤洗手有助于杀灭有害病原体。)
opportunistic pathogen — 机会性病原体,指通常在健康人群中无害,但在免疫力低下时会致病的微生物。
“Pneumocystis pneumonia is caused by an opportunistic pathogen in AIDS patients.”
(肺孢子菌肺炎是由艾滋病患者体内的机会性病原体引起的。)