DO··A
abbreviation/ˌdiː əʊ ˈeɪ/
/ˌdiː əʊ ˈeɪ/
(also dead on arrival)
- (of an accident victim or other patient) already dead when arriving at hospital
（事故受害者或病人）到达医院时已经死亡 - (North American English, informal) very unlikely to be successful; not working when it is delivered
已不可能成功；到货即损；到达时已无用