疫病 yìbìng epidemic disease Definitions Defs Origin Strokes Stroke Words Sentences Sents 晚疫病 wǎnyìbìng late blight A fungal disease affecting plants like potatoes and tomatoes, causing dark brown spots on stems and leaves that lead to plant death.自身免疫病 zìshēnmiǎnyìbìng autoimmune disease a condition arising from an abnormal immune response to a functioning part of the body