And how will it be propelled - is a jet engine the best solution, both above and below the waves?

又如何推进呢？在水上和水下，仅用喷气发动机能解决问题吗？

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Less than a year after the first photograph appears on National Geographic, a jet-propelled diving saucer appears on the April 1960 cover.

距离国家地理第一次推出封面照不足一年，1960年4月又推出喷气式蝶形潜水器封面照。

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Swiss adventurer Yves Rossy completes two aerial loops using just his custom-made jet-propelled wingsuit.

瑞士冒险家伊夫·罗西（Yves Rossy）只用两个定制的喷气推进式的滑翔翼就完成了两个冲浪空翻。

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The nerves that activate a squid's jet-propelled escape mechanism have particularly big axons, allowing signals to travel at great speed.

ECONOMIST: Andrew Huxley | The

He is looking over his shoulder at where he has been while the jet-propelled vehicle he is riding takes him forward, right over a cliff.

FORBES: Magazine Article

The apparatus he used, known as the Jetlev R200, is a water-propelled jet pack that can shoot a person 30 feet into the air and run for some 4 hours.

FORBES: Wet And Wild: New World Record Puts Expensive Water Toys In Focus