trephining puncture and aspiration of pus

例句：

1. 1. The doctor performed a trephination to remove the tumor.
   医生进行了一次穿刺手术来切除肿瘤。
2. 2.Trephination is a surgical procedure that involves inserting a needle into the skull to drain fluid from the brain.
   穿刺是一种外科手术，涉及将针插入颅骨以从大脑中引流液体。
3. 3.Trephination is often used in emergency situations to relieve pressure on the brain caused by swelling or bleeding.
   在紧急情况下，穿刺常用于缓解由于肿胀或出血引起的对大脑的压力。