1. Gamma Knife surgery (GKS) has recently been tried as an alternative to surgical extirpation. 伽玛刀治疗（GKS）最近被尝试作为手术根治之外的另一种选择。
2. Here I am in a pulpit, dressed like a Puritan minister —an apparition that would have horrified many of my distinguished forebears and perhaps re dedicated some of them to the extirpation of witches. 我就站在这个讲坛上，穿得像个清教徒牧师一样——这个打扮也许已经吓到了我那些高贵的先人们，让他们以为是巫婆现身（校长是女的，译者注）。
3. Here I am in a pulpit, dressed like a Puritan minister ― an apparition that would have horrified many of my distinguished forebears and perhaps re dedicated some of them to the extirpation of witches. 站在这个讲坛上，百度穿得像个清教徒教长――一个可能会吓到百度的杰出前辈们的怪物，或许使他们中的一些人重新致力于铲除巫婆的事业上。
英英解释
n.
1. surgical removal of a body part or tissue
2. the act of pulling up or out; uprooting; cutting off from existence
