And only over the past 30 years have scholars examined history from the bottom up.

学者们从头至尾地研究历史还是近三十年的事情。

You create from the bottom up an incentive because of short time frames.

因为时间很短，你会自下而上地创造一种激励。

Pizza bakes from the top down but also from the bottom up.

披萨可以从上到下烘烤，也可以从下到上烘烤。

So it will basically fill in from the bottom up.

所以它基本上会自下而上填充。

The thermal mass is crucial to getting your pizza dough crispy and fully baked from the bottom up.

热量对于让你的披萨面团能够由下而上酥脆以及烤熟至关重要。

This piece here in particular. She is hand built from the bottom up and I use a coil technique.

尤其是这个作品，完完全全是手工制作，我使用了线圈技术。

These NGOs are grassroots organisations meaning that they are run from the bottom up, by ordinary people rather than leaders.

这些非政府组织都是草根组织，也就是说它们是由普通人自下而上运作的，而不是领导人。

Everything is built from the bottom up.

一切都是自下而上构建的。

It grows from the bottom up, and we are the roots of change.

它自下而上成长，我们是变革的根源。

Systemic change often begins from the bottom up rather than the top down.

系统性变革通常是自下而上而不是自上而下开始的。

Yet China's vigour owes much to what has been happening from the bottom up as well as from the top down.

然而中国的元气更多归功于那些由下而上同样也是由上而下的发生的事情。

Embankments are constructed slowly from the bottom up in individual layers  called lifts.

路堤是从下往上缓慢地分层建造的，称为“升降机”。

And as your skin replenishes itself from the bottom up, they need to go somewhere.

当你的皮肤从下往上自我补充时， 它们需要去某个地方。

We have the tools to develop structures that self-govern from the bottom up, evolving as times change.

我们拥有开发自下而上自治结构的工具，随着时代的变化而发展。

Yet the planners' reach was limited, and much of the rebuilding happened haphazardly, from the bottom up.

然而，规划者的影响力有限，而且大部分重建都是自下而上随意进行的。

For example, ships sailing over the horizon seem to disappear from the bottom up, as you'd expect as they slip around the Earth's curve.

例如，在地平线上航行的船只似乎会从底部向上消失，正如你所预料的那样，它们沿着地球曲线航行。

But to do this we cannot use liquids, because as you know, liquids would fill the wells from the bottom up.

但要做到这一点，我们不能使用液体，因为如您所知，液体会从下往上填充孔。

And, if nanotechnology progresses as expected, as a sort of building block set of about 90 atoms, then you could build anything you wanted from the bottom up.

如果纳米技术能够像预想中那样，以一种90个原子组成的构件组合发展的话，我们就可以彻底建造出任何想要的东西。

Instead of relying on top-down reports, they worked from the bottom up, looking at the entire planet from space and counting how many solar panels they could see.

他们不依赖于自上而下的报告，而是自下而上地工作，从太空观察整个星球，并计算他们能看到多少太阳能电池板。

Fortunately, there's a very simple, three-part solution you can be part of right now to help us transform our food industry from the bottom up.

幸运的是，您现在可以参与一个非常简单的三部分解决方案， 帮助我们自下而上地改变我们的食品行业。