This is close enough to conclude the cracks are a direct source of moon base.

这就足以断定这些裂缝是月球基地的直接来源。

And so rules either came from a direct source, or it was a word that was given more emphasis.

所以规则，要么来自一个直接的来源，要么就是一个被特别强调的词。

But this is the first time Palestinians get to tell their stories to the world as the direct source of information.

但却是第一次巴勒斯坦人有机会像直接信息来源那样将自己的故事讲述给全世界。

Now again, since we have quotations, this was taken from a direct source, so you see the English is a bit old and antiquated and a bit formal.

同样地，因为我们有引号，它是直接引用，所以你会发现这里的英语有点点古老陈旧，有些正式。

The altitudes where lightning is born are limited by the height of a thundercloud, the direct source of lightning which is 20 kilometers or 12.4 miles at its highest.

闪电产生的高度受到雷雨云高度的限制，雷雨云的直接来源最高为 20 公里（12.4 英里）。