It occurs as a result of something underlying which can be potentially serious."

VOA: special.2009.09.02

I was talking last time about the concept of election or choice, God's choice of Israel, Israel as the chosen one, which occurs for the first time in the Book of Deuteronomy.

我上节课提到了“选择“这一概念，上帝选择了以色列，以色列成为选民，这一概念第一次出现在《申命记》中。

耶鲁公开课 - 旧约导论课程节选

Now the two things to notice about this are the high spike that you have out here which occurs very rapidly and then the rapid decline in blood sugar, and insulin is involved in this whole reaction.

有两个需要注意的事情是,你们在这看到的急剧变化的曲线代表着,迅速上升和迅速下降的血糖,另外胰岛素也随之发生变化

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Quasi-magical thinking is an illusion that they documented that occurs regularly in people, which they might deny if asked about, but there's an illusion that I can control randomness through my willpower.

准神奇式思考是一种错觉,会定期在人们的思维中出现,他们也许会否认这点,但的确存在一种错觉,使人误以为可以通过意志力控制随机事件

耶鲁公开课 - 金融市场课程节选

It occurs because blood flow gets reduced in that blood vessel and so the heart muscle, which is actively beating all the time, needs large quantities of oxygen provided by blood can't get the blood through the vessel.

发病原因是冠状动脉血流量降低,因为心肌搏动永不停歇,随时需要血液供给大量氧气,发病时血液无法正常流过血管

耶鲁公开课 - 生物医学工程探索课程节选

But for now let's simply say that we have a diffraction which we know occurs only by wave-like behavior and it involves the use of x-rays. Why x-rays?

但现在让我们来简单假设一下,我们知道,只波才发生衍射,而且衍射涉及了X光的使用，为什么是X光？

麻省理工公开课 - 固态化学导论课程节选

The glycemic affect is the extent to which this blood sugar effect occurs when people consume certain foods and then the glycemic index is just a number that gets attached to that.

血糖效应从某种程度上讲,是在人们进食,某些食物时出现的血糖波动,血糖指数则仅仅是这一效应的量化体现

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选