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。

youdao

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。

youdao

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。

youdao