Read Edit View history 自燃 zìrán spontaneous combustion Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 自燃 · zìrán · spontaneous combustion 2026/03/04 自燃 zìrán spontaneous combustion spontaneous combustion 这种材料在高温下容易发生自燃。 verb created sense Mar 4, 2026, 02:25 AM