Second thing, we started talking about the periodic table and I believe that it's a hallmark of any educated person in the 21st century who is technically literate to know the periodic table by heart.

第二点，我们之前讨论过元素周期表,我相信这是个标志性的特征,对于那些在21世纪里,用心去学习,元素周期表的人来说。

麻省理工公开课 - 固态化学导论课程节选

But in your heart you know it can't be done by today.

但你心里清楚今天是不可能做完的。

I don't know 课堂 - SpeakingMax英语口语达人

He wrote once that, "The chief thing is to know your duties and our edicts by heart and not put off things until tomorrow, like his son did.

他曾经这样写道,"最要紧的事就是牢记我们的职责和法令,并且不把今天能做的事拖延到明天去做",他儿子就是这么拖沓的

耶鲁公开课 - 欧洲文明课程节选

He wants to know if they are the same men who so callously broke their father's heart by selling Joseph, his father's favorite, so many years ago.

他想知道他们是否还是老样子,就像他们曾经卖了约瑟夫，伤了他们父亲的心，多年前，约瑟夫最受父亲宠爱。

耶鲁公开课 - 旧约导论课程节选

Now, figure in the fact that smoking is playing a role, physical activity is playing a role, still just changing fruit and vegetable consumption potentially could reduce heart disease worldwide by this much: stroke by 19% and some cancers by as much as 20%.

实际上吸烟和运动都对此有影响,即使将这些因素都考虑进去,仅仅改变水果和蔬菜的摄入量仍然能,在全球范围内减少这么多的心脏病得病率,中风减少19%而某些癌症减少达20%

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

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 is has another sense which is not a rhetorical sense, because metaphor is sort of the heart of rhetoric, the rhetorical sense A is B--when, by the way, A we know perfectly well that A is not B. How can A be B? A is only A.

但是is有另外一个意思，修辞之外的一种意思，因为暗喻差不多可以说是修辞的中心，修辞中所说的A是B，顺便说一下，我们十分清楚地知道A不是B，A怎么能是B呢，A就是。

耶鲁公开课 - 文学理论导论课程节选

It was launched in 1948 by The National Heart Institute, that later is now called The National Heart, Lung & Blood Institute, the NHLBI.

这项研究是1948年,由国家心脏病学会提出的,该学会之后更名为,国家心肺血液研究所,简称NHLBI

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Those same estimates say that if you could turn that around, that if the world could eat the recommended level of fruits and vegetables, that you'd reduce the prevalence of heart disease by 31%.

反过来说就是,如果大家都能食用适量的水果和蔬菜,那心脏病的普遍性将降低31%

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选