We take bits of the outside world like food and we swallow them.

我们从外界获取食物等,将其吞入腹中

耶鲁公开课 - 生物医学工程探索课程节选

Then we're going to take these plasmid vectors and we're going to somehow put them in contact with cells in such a way that the cells ingest the DNA and they use it.

然后要使这些质粒载体,以一种特别的方式与细胞接触,让细胞吞入质粒载体并使之表达

耶鲁公开课 - 生物医学工程探索课程节选