Leonard, I'm trapped in quicksand! The axe is dragging me down!

莱纳德 我陷进流里了 这斧头在拖我下去呢！

At that point, the watery sand starts to behave as a fluid—think quicksand.

此刻，混合着水就可以向流体那样运动—想象一下流。

It's what Marianne LaFrance calls " standing in social quicksand."

这就是 Marianne LaFrance 所谓" 陷入社交流中" 。

And here would happen if you fell into quicksand.

我们一起来看看，如果陷入流会怎样。

Anyone who can build houses is welcome because more houses will reduce the drifting sand.

任何会盖房人都是受欢迎，因为更多房会减少流。

" I Slipped" she said. " It feels like quick sand."

“我滑倒了，”她说。“泥巴就像流一样。”

Surrounded by quicksand, it has never been buried by the sand, which is a miracle.

四周被流环绕，却从未被流掩埋，堪称奇迹。

We call it Death Swamp. There's quicksand there.

我们叫它死亡沼泽，那里有流。

You can’t compensate for having a foundation made of quicksand by building a new story on top of it.

你无法通过建造新楼层来弥补像流一般。

Liquefaction happens when waterlogged, loose soil (we call it " sand" ) turns into quicksand, temporarily.

当积水松散土壤（我们称之为 “”）暂时变成流时，就会发生液化。

It's true that real quicksand isn't like what you see at the movies.

是，真正流并不像你在电影里看到那样。

The back end sat at a lower level, almost as if caught in sand, he added.

他补充说，后端位置较低，几乎像是被流困住了。

Fun fact: it's impossible to become fully submerged in quicksand.

完全淹没在流里是不可能。

OK, if either of you make it across that sinkhole in front of you, you get the sloth.

好吧，如果你们俩有谁过得了前面那滩流，懒就归你们。

They inhabit to geological obstacle course with hidden ice, fast flowing rivers and quick sand, as well as volcanoes.

它们栖息于各种质障碍区有暗藏冰、湍急河流、流还有火山。

The reason why you won't sink right through is because quicksand is rarely more than a few feet deep.

你之所以不会直接沉下去，是因为流很少超过几英尺深。

Quicksand is a non-Newtonian fluid, meaning its viscosity changes under stress.

流是一种非牛顿流体，也就是说它粘度在压力下会发生变化。

But where was it? Could she reach it before the hands clutched her and dragged her down into the quicksands?

但是它在哪里呢？在那双手抓住她拖到脚下流中去之前她能够赶到达那里吗？

In high stress conditions, like being under the weight of your body, quicksand changes.

在压力大情况下，比如承受人体重量，流会发生变化。

On the other hand, quicksand gets thicker over time.

另一方面，流会随着时间推移变得越来越厚。