Sometimes it's remarkable for all of us if we try to be very prepared-mind-oriented, very proactive around where the most interesting opportunities.

有的时侯,如果我们能时刻做好准备，积极地去寻找那些很有吸引力的机会,那将会是一件很了不起的事。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

I've taken my niece and nephew there in the snow,

我曾经在下雪的时侯，带着侄子和侄女到那里玩儿。

河滨公园 - SpeakingMax英语口语达人

When we do relativity, we'll be dealing with vectors in space-time and we'll find that different observers disagree on what is this and what is that.

我们学习相对论的时侯,会涉及到时空矢量的问题,我们会发现观测者们对于观测的结果,有着不同的看法

耶鲁公开课 - 基础物理课程节选

The balance of sodium movement relative to potassium movement changes because there's this resting movement of all these molecules anyway, but that balance changes dramatically when these ion - when these gated ion channels open.

钠钾各自运动始终保持动态的平衡,因为尽管在静息状态,所有这些离子也在运动,但是平衡的剧烈变化,只发生在这些门控离子通道打开的时侯

耶鲁公开课 - 生物医学工程探索课程节选

We'll talk about how they work and we'll go over that quickly because I know most of you know something about how DNA what DNA is and how it works.

我们将讨论它们如何工作,我们讲的时侯会一带而过,因为我知道你们大多数人,知道一些关于DNA的知识,DNA是什么,它是如何工作的

耶鲁公开课 - 生物医学工程探索课程节选