bloodletting

• 名词，指历史上通过给病人放血来平衡体内四种体液的一种医疗方法；也泛指无意义的屠杀或暴力。

A noun referring to the historical medical practice of removing blood from a patient to balance the four humors, or more generally to indiscriminate slaughter or violence.

不可数

1. Historical medical practiceC1formalmedical

   The removal of blood from a patient, historically used to treat illness by balancing the four humors.

   放血

   • Bloodletting was a common treatment in medieval medicine.
   • Doctors once believed bloodletting could cure fevers.
   • The practice of bloodletting has been abandoned in modern medicine.

   同义词bleedingphlebotomyvenesection

2. Violent conflict or killingC1formal

   A situation involving violent killing or slaughter, often in a battle or conflict.

   血洗

   • The battle resulted in terrible bloodletting on both sides.
   • The civil war led to years of bloodletting.
   • The film depicts the bloodletting of ancient wars.

   同义词bloodbathbloodshedbutcherycarnagekillingmassacreslaughter