Read Edit View history 病源 bìngyuán etiology Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 病源 · bìngyuán · etiology 2026/03/04 病源 bìngyuán etiology the cause or origin of a disease 医生正在寻找这种流行病的病源。 noun created sense Mar 4, 2026, 02:25 AM