The boy collected all the bits of nowledge that the train-men let drop.

这个男孩一点一滴了车站人员的知识。

What I really love, especially with nature, is that it reveals itself gently and a little bit by bit.

我对大自然非常热爱的是，它一点一滴，温和展示着自己。

So little by little, satellites refined our understanding of Earth's exact shape and this underlying geoid.

卫星一点一滴提升了我们对球精确形状及其基大水准面的理解。

When you begin to remove the head of a food chain, it creates something called a trophic cascade, basically a trickle-down effect that can disrupt an entire ecosystem.

当我们开始移除食物链的顶层，这会引起一种叫作营养瀑布的现象，基本上它会一点一滴逐步瓦解整个生态系。

It goes on autopilot and then you can turn to something else and build slowly until you've got all this amazing array of all these beautiful nutritional ancestral foods that you're doing on autopilot slowly.

逐步构建，直到自动、缓慢制作出这一系列令人惊叹、富含营养的传统美食。 我喜欢这种逐步构建的理念。 这也是我们以一个问题结束本集的原因之一：读者可以做哪一件事来改善他们的健康？ 如果他们只选择一件事并坚持下去， 是的。 之后他们可会选择另一件事并继续坚持。 一点一滴， 他们将逐步建立起真正属于他们的健康基石。 这让我想问艾莉森， 读者可以做哪一件事来改善他们的健康呢？