That's where it flies close enough to the gas giant to receive a gravitational slingshot effect.

这就是它跟巨大气体行星飞的足够近的地方，为了受到引力弹弓效应。

That’s where it flies close enough to the gas giant to receive a gravitational slingshot effect.

这就是它飞得离气态巨行星足够近以接收引力弹弓效应的地方。

Aerospace engineers use something called a gravitational slingshot to alter a spacecraft's path without using too much propellant.

航空航天工程师使用一种叫做重力弹弓的东西来改变航天器的路径，而无需使用过多的推进剂。