These ballast tanks exist within easy access in the lower reaches of the Nautilus.

教授，事情原来就是这：样。这些储水池实际是存在的，它们在诺第留斯号的下层。

Then we arrived at a cell located within easy access of the engine room; in this cell we were to get dressed for our stroll.

然后我们到达了一个位于机舱附近的牢房。在这个牢房里， 我们要穿好衣服去散步。