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.
e eles podem usar a energia caso o vento pare, e a maré chegue, e ainda existirá um pouquinho de energia para chegar às dunas e salvar suas vidas, porque eles se afogam muito fácil.