最終更新日：2024/06/29

speed of light (the speed of electromagnetic radiation in a vacuum or in a substance)

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vitesse de la lumière

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vitesse de la lumière

noun

speed of light (the speed of electromagnetic radiation in a vacuum or in a substance)

La vitesse de la lumière est d'environ 299 792 458 mètres par seconde.

The speed of light is approximately 299,792,458 meters per second.