For us, it's really difficult to understand this kind of life.

对于我们来说，这种生活简直难以置信。

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Now, even though it may be difficult to understand how a huge mass of ice can move—or flow, it's another word for it—it's really no secret that glaciers flow because of gravity.

如今，即使想要知道一大块冰如何移动——或换个词讲，漂浮——是非常困难的，但众所周知冰川漂浮是由于重力。

youdao

In this case, it’s not. It’s also very difficult to do when there’s a lot of physics jargon – a factor is that we really don’t understand.

现在这种情况就没必要，而且当台词中有很多物理术语的时候那也非常困难，本来我们就不懂嘛。

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