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

莱纳德 我陷进流沙里了 这斧头在拖我下去呢！

But isn't that isthmus only composed of quicksand?

那么，这地峡只是由松动的沙土形成的吗？

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

我们叫它死亡沼泽，那里有流沙。

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。

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。

But it's a little bit...you're a little bit less in the quicksand.

但你还没有达到那种危险境地。

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。

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

完全淹没在流沙里是不可能的。

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

当积水的松散土壤（我们称之为 “沙子”）暂时变成流沙时，就会发生液化。

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。