In general relativity, time is considered a dimension like height, width and depth, creating a four dimensional universe called space-time.

在广义相对论中，时间被看作和长宽高一样的维度，并与它们构成了一个四维宇宙—被称作时空。

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Perhaps the Internet isn't about freedom, an ethereal new dimension that overcomes the limitations of time and space.

也许互联网并不是自由的高地，它只是一种可以跨越时间和空间限制来连接你我的新维度。 也许它真的只是一个信息的集散地罢了。

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More probing a mental dimension beyond time and space.

更像是心智在时间和空间中游走。

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Played by Matt Smith, he journeys through "Time And Relative Dimension In Space" in his aptly-named ship, the TARDIS -- which looks like a blue British police call box on the outside, and is as iconographic a vehicle as the U.S.S. Enterprise, Millennium Falcon or DeLorean.

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When light passes through, it behaves as a dimension of time, with the cobalt structure providing the foundation for two dimensions in space.

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