One uses fewer Bunsen cells, but they're big and strong, and experience has proven their superiority.

本生电池的装置虽然简单，但电力很强，经验证明，确实如此。

You observe, Captain Nemo told me, that I use Bunsen cells, not Ruhmkorff cells. The latter would be ineffectual.

您看，尼摩船长对我说，我用的是本生电池的装置，不是兰可夫电池的装置，后一种电力不强。

Yes, sir. Mixed with mercury, it forms an amalgam that takes the place of zinc in Bunsen cells.

是的，先生。钠跟汞混合，成为一种合金，代替本生电池中所需要的锌。