It would have been inconceivably dangerous even if he had known how to set about doing it.

这种事，哪怕他知道如何着手，也危险得不可思议。

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These last and most magnificent rex species lived about 30 years, growing at fantastic rates. Their skulls could, not surprisingly, handle almost inconceivably high stresses.

这些晚期的暴龙君王堪称暴龙家族中的华丽代表，它们的寿命约为30年，生长速度快得令人难以置信，其头颅的抗压能力超强。

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It was an inconceivably stupid thing to have done.

岂有此理，他竟干出了如此蠢事！

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It was pivotal for the discovery of gravity, and led to the conclusion that the stars are incredibly far away and that the Universe is inconceivably large.

BBC: New element named 'copernicium'

The U.S. met production goals that were almost inconceivably ambitious.

CNN: Is optimism really good for you?

But with both openers well set with the score on 69, Strauss inconceivably trod on his stumps attempting to play Nel to leg off his back foot in the 23rd over.

BBC: England toil as S Africa dominate