And they can use that energy in case the wind falls away, and the tide is coming up, and there is still a little bit of energy to reach the dunes and save their lives, because they are drowned very easily.
desquelles la bête puise son énergie au cas où le vent se calme et la marée monte. Elles ont ainsi assez d'énergie pour atteindre les dunes et sauver leur vie, car elles se noient facilement.