But we see if we have a free electron, as we do in this dotted line here, that's going to be a higher energy that's less stable.

但是我们看到如果,我们有一个自由电子，就像虚线所示那样，那将会是一个较高的,不够稳定的能量。

麻省理工公开课 - 化学原理课程节选

Shielding is the term that's used, it brings up a certain image in our mind, and even though that's not precisely what's going on, it's a very good way to visualize what we're trying to think about here.

它带给我们一个确定的画面，虽然那不够精确，但当我们尝试去考虑它的时候,它确实是一种很好,的形象化的方式。

麻省理工公开课 - 化学原理课程节选

I'd only have 16 possible two base sequences, that's not enough to specify over 20 amino acids.

如果两个碱基一组那一共只有十六种组合,不够和二十种氨基酸来一一对应

耶鲁公开课 - 生物医学工程探索课程节选

Well, sometimes you divide up the land equally, but if that land continues to get smaller and smaller, it will not sustain an additional person, not to mention additional family.

一种做法是,平分耕地,但是如果人口越来越多呢,那平分的田地就不够一人所需,更不必说整个家庭了

耶鲁公开课 - 古希腊历史简介课程节选

Even if the research doesn't always communicate good news, it's about communicating what works, what is real, as opposed to our dreams , our desires, our hopes, our wishes-- that's not enough.

即使研究并非总是传达好消息，它传达的是行之有效的方法，可为的方式而不是空洞的梦想，渴望，希望，愿望-,那远远不够。

哈佛公开课 - 幸福课课程节选

That wasn't good enough.

那不够好。

耶鲁公开课 - 死亡课程节选

10 Even if your content subtotal was negative ten, that doesn't mean you're not better off alive, because negative ten plus the extra hundred points for the mere fact that you're alive is still going to give you a positive total, 90 plus 90.

就算你的生活内容部分总和是，那也不意味着你活得不够好，因为-10加上额外的100分说明了,你活着得到的总和仍然是正数，超过。

耶鲁公开课 - 死亡课程节选