Definition
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disease
A disease is a pathological condition of a bodily part, an organism, or system resulting from various causes, including infection, genetic defect, or environmental stress, and characterized by an identifiable group of signs or symptoms.
疾病是身体某个部分、某个生物或系统的病理状态,由多种原因引起,包括感染、遗传缺陷或环境压力,并以可识别的一组迹象或症状为特征。