derangevt.扰乱;使发狂
DERabbr.派生(=derivation)
derailer脱轨器
derailleurn.<法>(自行车)变速器; 装有变速器的自行车
derailmentn.出轨
derail frog脱轨辙叉
derail fault转移指令故障
derailleur gear赛车变速器
derailing point脱轨道岔
derailment test脱轨试验
derail accident脱轨事故
"they had planned to derail the trains that carried atomic waste"
"the train derailed because a cow was standing on the tracks"