• The Obama administration,he added, must make clear that it does not view engagement with Iran as a process without an end, but as a means to identify ends that would benefit both countries.

    VOA: standard.2009.04.28

  • Depending on what you call external and internal environment, this path that I'm tracing here, deep within your digestive system, is really directly connected to the outside world through both ends.

    基于你们所谓的外环境和内环境,我在这里我所指的消化系统内部通路,它的两端确实与外界环境直接相通

    耶鲁公开课 - 生物医学工程探索课程节选

  • If I cut both the plasmid and my DNA of interest with the same restriction enzyme I'm going to end up with the same sticky ends on both molecules.

    如果用同一种限制性内切酶,来切割质粒和我感兴趣的DNA,在两个分子上就能得到同样的粘性末端

    耶鲁公开课 - 生物医学工程探索课程节选

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