Hydroplanes
[haidrəupleinz]
例句:
- She was a double-deck vessel controlled by Lake hydroplanes, and had installed steam power for surface travel and electric power for undersea work. 佚名. 神奇的知识之书.
- To maintain the vessel on an even keel he introduced four vanes, called hydroplanes, for regulating the depth of descent. 佚名. 神奇的知识之书.
校对:雷明顿