They had recovered four corpses when Nico crawled up the stairs to the main deck; it was a tight squeeze with the diving gear on his back.

当尼科爬上楼梯到主甲板时， 他们已经发现了四具尸体；他背上的潜水装备紧紧地挤压着他。

He spent a long time studying the human body, he imagined ways that people could walk on water and designed armored tanks; he invented an early parachute and a version of the helicopter, a self-propelled cart and scuba diving gear.

他也花了漫长的时间来研究人体结构，他想出一些办法使人类可以漫步在水里，为此设计出了装甲坦克，他发明了早期的降落伞和早期版本的直升机，一辆内驱的运货马车和潜水用的水肺装置。