There's nothing we can do about it. We'll just have to grin and bear it.
对此我们无能为力,只好默默地忍受。
The technology we carry about everywhere can have a great power to do good for the world and to help others and recently I discovered just how much online volunteering there is to do in the world.
我们随身携带的技术可以有巨大的力量为世界做好事,帮助他人,最近我发现在世界上有多少在线志愿服务要做。
Maybe it's just asking about their day, or talking a walk together, but thesmallest moments can have the biggest impact.
也许只是简单的问候或者是散散步说说话,但是这些最简单的活动却可能够产生最大的影响。
We don't have to just stick with carbon, we can think about describing other types of atoms as well using this hybridization.
我们不用局限于碳,我们可以考虑利用杂化轨道,描述其它类型的原子。
Now so-- just in that little quiz you can see that you guys have varying levels of knowledge about nutrition.
根据刚才的测试可以发现,对于营养学,你们的知识量各有不同
So we can completely describe an orbital with just using three quantum numbers, but we have this fourth quantum number that describes something about the electron that's required for now a complete description of the electron, and that's the idea of spin.
所以我们可以用3个,量子数完全刻画轨道,但我们有这第四个量子数,来完整的,描述电子,这就是自旋的概念。
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