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.

叼个装上凸镜片的船窗，缺的复壁上，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.

领航人是守一个装有玻璃的笼，这笼诺第留斯号船身的上部突出部分，装有各种凹凸玻璃片，保证他可以清楚地看见航路。