This aircraft works by jet propulsion.

这架飞机是喷气推进的。

The project is managed by NASA's Jet Propulsion Laboratory.

该项目由NASA喷气推进实验室管理。

Interest in jet propulsion was now growing at the Air Ministry.

航空部对喷气推进的兴趣正在增加。

Call it the Jet Propulsion Laboratory's version of the Final Four.

这四个登陆点的选择被称为喷气推进实验室版的终极四强赛。

The result had neutral buoyancy, allowing the animal to move by jet propulsion.

结果形成中和浮力，使动物能够借助喷气推进移动。