Question

accident
ac.ci.dent  AHD[²k“s¹-d…nt, -dµnt”]   DJ[6#ks!d*nt, -7dent]  KK[6#ks!d*nt, -7dWnt]
n.（名词）
1.An unexpected, undesirable event:
    意外事件，事故：未曾预料，不希望发生的事件：
    car accidents on icy roads.
    冰冻路上的汽车事故
2.An unforeseen incident:
    意外：未曾想到事：
    went to college in England by happy accident.
    幸运地进入英国大学
3.Lack of intention; chance:
    机遇，偶然：并非主观意图；机遇：
    ran into an old friend by accident.
    偶然碰上一位老朋友
4.Logic A circumstance or an attribute that is not essential to the nature of something.
  【逻辑学】 偶有属性：并非事物本质属性的情况或特性
ORIGIN
1.Middle English [chance event]
    中古英语 [机会事件]
2.from Old French
    源自 古法语
3.from Latinaccid¶ns  accident- [present participle of] accidere [to happen]
    源自 拉丁语accid¶ns  accident-  [] accidere的现在分词 [发生]
4.ad- [ad-]
    ad- [ad-前缀]
5.cadere [to fall] * see  kad-
    cadere [落下] *参见 kad-