But as she began a series of meetings with President Calderon and other officials centering on drug violence, Clinton candidly acknowledged that U.S.

VOA: standard.2009.03.25

They often involve networks of reactions, not just one enzyme but a series of enzymes that serve to amplify each other.

这些反应通常包括一个反应网络,不只是一种酶,而是一系列的酶来进行级联放大

耶鲁公开课 - 生物医学工程探索课程节选

As I say though, Plato may well recognize the inadequacy of that argument, because after all Socrates goes on to offer a series of other arguments.

柏拉图本身,可能已经认识到这个观点站不住脚,因为苏格拉底,还提供了一系列其他的观点

耶鲁公开课 - 死亡课程节选

So the fundamental issues are not going to go away,". These are the fundamental issues that Hariri will have to face again in a series of talks scheduled until next Tuesday with various other parties including militant group Hezbollah.

VOA: standard.2009.09.24