To get genes and gene transfer vectors into cells is a problem.

把基因和基因转移载体导入细胞很成问题

耶鲁公开课 - 生物医学工程探索课程节选

And your cells making transfer RNA, if they make a transfer RNA molecule that has here, they only put leucine at the other end.

你的细胞在生成tRNA的过程中,如果生成的tRNA序列是GAG,那它的另一端携带的就只能是亮氨酸

耶鲁公开课 - 生物医学工程探索课程节选

Inside cells in your body there are special RNA molecules called transfer RNA.

在你体内的细胞中,一种很特殊的RNA分子,称为转运RNA

耶鲁公开课 - 生物医学工程探索课程节选