Einstein approached time as a fourth dimension.

爱因斯坦把时间看作是第四维空间。

Number five is the fourth dimension.

第五个证据是第四维空间。

And the fourth dimension is time.

而第四个维度是时间。

Dad's map also points to Earth in the fourth dimension.

因此父亲的地图也标记出了地球在第四维度。

With the fourth dimension in existence, that suggests that there may be a fifth or even a sixth.

既然第四维空间是存在的，这就表明可能存在第五维甚至是第六维空间。

We also need the fourth dimension in the sense of the past.

我们还需要过去意义上的第四维度。

The fourth dimension is only theoretically known to exist and is something that only a few mathematicians and physicists can fully comprehend.

目前第四维空间仅仅是作为理论存在，而且仅仅有一少部分数学家和物理学家能够完全地理解它。

They say that breaching the fourth dimension barrier would essentially be travelling through time and landing on what can only be described as an alternate Earth.

他们说打破第四维空间的障碍对于时光旅行和登陆任意一个目前只能描述为“另一个地球”来说至关重要。

They say that breaching the fourth dimension barrier would essentially be traveling through time and landing on what can only be described as an alternate Earth.

他们说，突破第四维度壁垒本质上就是穿越时空，降落在只能被描述为另一个地球的地方。

Once we make that commitment, then we can say some basic things, like, for example, we have to also have the fourth dimension, the fourth dimension of time.

一旦我们做出承诺， 我们就可以说一些基本的事情，例如，我们还必须拥有第四维度，时间的第四维度。