These basic principles are important," Dr.Pappas emphasizes that, while there is no cause for alarm, countries where health care infrastructure is weak are the most vulnerable.

VOA: standard.2009.04.28

Of course, she needs to know the basic principles, but she's also talking about it an enzyme, so she needs to know about enzyme catalysis.

她需要知道这表上的许多东西，当然她需要知道到这些基本原理，她研究的是一种酶。

麻省理工公开课 - 化学原理课程节选

What are the sort of basic principles that lead to these differences between cells?

是怎样的基本原理,导致了细胞间的差异呢

耶鲁公开课 - 生物医学工程探索课程节选

"I think it was an upholding of the basic principles of freedom of speech.

VOA: standard.2009.10.23

We start out with some really basic principles.

我们从一些最基本的原理出发。

麻省理工公开课 - 化学原理课程节选

The president said a fundamental part of U.S.global strategy is to live up to the nation's principles and support basic human rights.

VOA: standard.2010.05.22

I think that book will give you all the basic principles you need in calculus of one variable, more variables, elementary complex numbers, maybe solving some problems with vectors and so on, which you're going to get into.

我想那本书会给你所需的所有基本知识,包括一元和多元微积分,简单的复数运算,可以解决一些与矢量有关的问题,而这正是你们将要学的

耶鲁公开课 - 基础物理课程节选

We're going to keep using the things that exist in space, virtual or not, and the things that unfold in time in their relationship with each other as we continue to try to understand these basic principles which shape so much of subsequent literary theory. Thank you.

我们将继续解释事物的存在，无论它们是否可见，我们会学习语言在一段时间里的关系,随着我们继续学习这些基本的概念,我们会进一步理解文学理论，谢谢。

耶鲁公开课 - 文学理论导论课程节选