"It flowed in with the various tides." "We're not necessarily seeing anything out in the open water, but then it comes and mixes in with the grass.

VOA: standard.2010.06.01

Take a plasmid, cut it open, insert a gene that we want into the plasmid, and then put that plasmid in a host cell, and let the host replicate it.

取一个质粒,把它切开,把目标基因放进去,然后把这个质粒植入到宿主细胞,让宿主来进行复制

耶鲁公开课 - 生物医学工程探索课程节选