英语语法分析

Astronomers suspect that pairs of planets also engage in this slingshot activity, leaving them in disturbed, elliptical orbits.

天文学家怀疑成对的行星也参与了这种弹弓活动，使它们处于不规则的椭圆轨道上。

The generator has a sidekick: a water-purification machine, called Slingshot.

该发电机具有助手：一种水净化机，被叫做弹弓。

It's like a slingshot — the harder you pull, the more propulsion you generate.

如同一把弹弓，拉的越紧，射的越远。