Remember in the ion, we're going to have less electrons around to counteract the pull from the nucleus.

还记得在这个离子中，在原子核周围,抵消它吸引力的电子更少。

麻省理工公开课 - 化学原理课程节选

In order to have an electron in a stationary orbit this implies standing wave.

为了在静止的轨道中拥有电子,驻波是不可少的。

麻省理工公开课 - 固态化学导论课程节选

And they've included too much or too little in the system, and it looks to them that the second law is broken and they've created more energy than is being brought in.

他们在系统中,包含了过多或过少的物质，从而在他们看来,第二定律貌似是被打破了,他们创造了比最初引入的更多的能量。

麻省理工公开课 - 热力学与动力学课程节选

But we could, for example, look at a case where we have several different structures that look pretty good, and the one we want to determine as being the lowest energy structure is the one in which the absolute values of the formal charges are going to be lower, so essentially that they have less charge separation.

但是我们可能，比如，遇到一种情况,有好几个候选的路易斯结构看起来都挺好的，这时候我们就需要,通过比较哪个形式电荷的绝对值更低,来决定哪个结构的能量更低，本质上这个结构中分开的电荷更少。

麻省理工公开课 - 化学原理课程节选

And the reason for positing these things is because we're clearly able to think about these ideas, and yet, we recognize that the ordinary physical world-- although things may participate in them to varying degrees-- we don't actually come across these objects or entities in the physical world.

我们假定这些的原因是,这样我们就能够清楚的,去思考这些理念,目前我们认识到在正常的现实世界中,尽管很多东西或多或少的参与其中,我们并不会在现实世界中,直接面对这些对象或者个体

耶鲁公开课 - 死亡课程节选

Fat is not all that much different, but one thing that's happened is the type of fat has changed a lot, and so people are eating less fat from plant sources and more fat from animals sources That's where the saturated fat comes in and high saturated fat intake is not a good thing.

脂肪摄入量相差无几,然而脂肪的种类却发生了很大变化,人们越来越少从植物中摄取脂肪,而更多是从肉类食物中获得,肉类食物中含有饱和脂肪酸,而过多地摄入饱和脂肪酸是有害的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选