1、Leucotomy was once used as a treatment for severe mental illnesses.
白质切除术曾被用作治疗严重精神疾病的方法。
2、Leucotomy is a form of brain surgery that involves removing or interrupting connections between certain areas of the brain.
白质切除术是一种脑部手术，涉及到切除或中断大脑特定区域之间的连接。