Doctors insert a tiny probe into the brain, directly to the cancer where it burns up the tumor from the inside out.

医生将极微小的探针穿进她的大脑，直接扎进肿瘤，然后用激光把肿瘤烧毁。

youdao

Rather than pouring my milk into a separate container that requires cleaning (using water and chemicals) just insert a probe into the milk jug (or container) that you get from the store (or in my case dairy farm delivery service).

FORBES: Digital Milk Jugs: A Product Worth Developing?