| 释义 | 
		  accident /akˈsi-dənt/     noun- Anything that happens
 - An unforeseen or unexpected event
 - A chance
 - A mishap
 - An unessential quality or property
 - Unevenness of surface
     ORIGIN: L accidēns, -entis, prp of accidere to happen, from ad to, and cadere to fall   accidental /-dentˈ/   adjective - Happening by chance
 - Not essential
     noun- A sharp, flat, or natural not in the key signature (music)
 - (in pl) the strong chance effects of light (art)
 - A non-essential feature
 - Item
    accidentˈalism  noun - The state or quality of being accidental
 - Chance manner
 - A system based on symptoms rather than on causes (medicine)
 - Use of accidentals (art)
 - The theory that events happen without a cause (philosophy)
    accidentalˈity  noun  accidentˈally  adverb  accidentˈed  adjective - Uneven
 - Varied
      acˈcident-prone  adjective  (usu predicative) more than normally liable to have accidents    a chapter of accidents  - An unforeseen course of events
 - A series of accidents
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