It's a device called a deep brain stimulator, developed by a company called Medtronic, and it looks like a pacemaker that's implanted inside your body.

这个装置叫做深部脑刺激器,由美敦力公司研发,看上去像一个植入体内的起搏器

耶鲁公开课 - 生物医学工程探索课程节选

Now it goes without saying that Milton has not been up to this point writing an allegorical poem. The creatures moving and speaking have been actual creations of the deity, with the strange exception of Medusa.

不用说，弥尔顿从未,写过寓言诗，这些移动着的说着话的生灵,是由神创造的，除了美杜莎这个奇怪的例外。

耶鲁公开课 - 弥尔顿课程节选