Set in the cabin's walls were four deadlights, windows of biconvex glass that enabled the man at the helm to see in every direction.

个装上两凸镜片船窗，缺在舱间复壁上，使守舵人四八方都可以看见。

My helmsman is stationed behind the windows of a pilothouse, which protrudes from the topside of the Nautilus's hull and is fitted with biconvex glass.

领航人是守在一个装有笼间里，这笼间在诺第留斯号船身上部突出部分，装有各种凹凸片，保证他可以清楚地看见航路。