If a cell has a gene that makes it resistant to Ampicillin, that means that that micro-organism can survive being exposed to this normally deadly chemical without dying.

如果细胞带有一种基因,能够让它对氨苄青霉素产生抗性,即使把它放在,有致死剂量化学物质的环境中,它也能存活下来

耶鲁公开课 - 生物医学工程探索课程节选

if you do that under the situation where you've put your plasmid into these micro-organisms then you're going to have little colonies that grow many copies of the bacterial cells.

如果你在质粒已经进入了微生物,的情况下培养它们,你就会得到许多小菌落,里面长有很多增殖出来的细菌

耶鲁公开课 - 生物医学工程探索课程节选