blood·let·ting
noun/ˈblʌdletɪŋ/
/ˈblʌdletɪŋ/
[uncountable]- (formal) the killing or wounding of people
杀戮；伤害 - the futile bloodletting of war
战争徒劳的流血
- the futile bloodletting of war
- a medical treatment used in the past in which some of a patient’s blood was removed
放血疗法