That day, the sixth of our imprisonment, Captain Nemo concluded that picks and mattocks were too slow to deal with the ice layer still separating us from open water--and he decided to crush this layer.
Ce jour-là, le sixième de notre emprisonnement, le capitaine Nemo, trouvant trop lents la pioche et le pic, résolut d'écraser la couche de glaces qui nous séparait encore de la nappe liquide.