1
[N-COUNT 可数名词](战争、意外中的)伤亡人员 A
casualty is a person who is injured or killed in a war or in an accident.
Troops fired on demonstrators near the Royal Palace causing many casualties.
军队在皇宫附近向示威人群开枪,造成大量伤亡。
2
[N-COUNT 可数名词]受害者;受害方 A
casualty of a particular event or situation is a person or a thing that has suffered badly as a result of that event or situation.
Fiat has been one of the greatest casualties of the recession.
菲亚特一直是经济萧条中损失最惨重的公司之一。
3
[N-UNCOUNT 不可数名词]急诊室;急救室 Casualty is the part of a hospital where people who have severe injuries or sudden illnesses are taken for emergency treatment.
I was taken to casualty at St Thomas's Hospital.
我被送往圣·托马斯医院的急救室。
in AM, use 美国英语用 emergency room