Read Edit View history 传染源 chuánrǎnyuán infection source Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 传染源/傳染源 · chuánrǎnyuán · infection source 2026/03/04 传染源 / 傳染源 chuánrǎnyuán infection source source of an infection 确认传染源是控制疫情的关键。 noun created sense Mar 4, 2026, 02:25 AM