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

莱纳德 我陷进流沙里 头在拖我下去呢！

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

此刻，混合着水的沙子就可以向流体那样运动—想象一下流沙。

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

就是 Marianne LaFrance 所谓的" 陷入社交流沙中" 。

And here would happen if you fell into quicksand.

我们一起来看看，如果陷入流沙会怎样。

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

任何会盖房子的人都是受欢迎的，因更多的房子会减少流沙。

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

“我滑倒，”她说。“泥巴就像流沙一样。”

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

四周被流沙环绕，却从未被流沙掩埋，堪奇迹。

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

我们叫它死亡沼泽，那里有流沙。

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

你无法通过建造新的楼层来弥补像流沙一般的地基。

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

当积水的松散土壤（我们 “沙子”）暂时变成流沙时，就会发生液化。

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

是的，真正的流沙并不像你在电影里看到的那样。

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，几乎像是被流沙困住。

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

完全淹没在流沙里是不可能的。

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前面那滩流沙，懒就归你们。

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

它们栖息于各种地质障碍区有暗藏的冰、湍急的河流、流沙还有火山。

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

你所以不会直接沉下去，是因流沙很少超过几英尺深。

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

流沙是一种非牛顿流体，也就是说它的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的流沙中去前她能够赶到达那里吗？

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

在压力大的情况下，比如承受人体重量，流沙会发生变化。

On the other hand, quicksand gets thicker over time.

另一方面，流沙会随着时间的推移变得越来越厚。