incidencyWiktionary 原文构词拆分incident词根/词干+-ency后缀Forming abstract nouns denoting conditions, qualities, or states.词源说明From incident + -ency.释义（英文）名词 Noun(obsolete) An incident; something incidental or circumstantial.(obsolete) The quality or fact of being likely or about to fall.(obsolete, physics) Incidence.