slingshot
英 美
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 'u2014 the harder you pull, the more propulsion you generate.
如同一把弹弓，拉的越紧，射的越远。
