His surgical instruments were a knife and a pair of pincers.他的外科手术器械是一把刀和一把钳子。He pioneered the surgical technique called frontal lobotomy.他首创了被称为额叶切断术的外科手术。to sterilize surgical instruments给外科手术器械消毒...
Richardson severed his right foot in a motorbike accident.理查森在一次摩托车事故中失去了他的右脚。He almost bled to death after the bullet severed an artery.子弹穿过动脉，他失血过多几乎性命不保。She severed her ties with England.她断绝了和英国的往来。...