Encara no tenim significats per a "inconceivable swiftness".
1With inconceivable swiftness the mephitic vapors gathered.
2Every ray became a panorama of gorgeous colors, resembling tiny sparks, moving hither and thither with inconceivable swiftness.
3She fled with inconceivable swiftness towards the house, but he caught her just as she had gained the steps.
4But Leonard's foot was now on the ladder, and rushing up with inconceivable swiftness, he plunged through the window regardless of the flame.
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