1·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。
2·He came at Goliath with a slingshot and staff because those were the tools of his trade.
他用以攻击歌利亚的武器是一个弹弓和一把竹杖，因为这就是他牧羊用的工具。
3·The valley of Elah is where the Philistines sent out their Goliath to terrify the Israelites, and where young David felled the giant with his trusty slingshot.
以拉谷地是古腓力斯国派出他们的英雄歌力亚恐吓以色列人的地方，在这里，年轻的大卫王用自己可靠的弹弓击倒了巨人歌力亚。
4·So a team from JPL has got together to analyse all of the slingshot manoeuvres that have been carried out over the years, to see if they really do involve a small but systematic extra boost.
所以JPL的科学家们成立一个小组分析这些年来所有的弹弓机动，设法找到是否真的存在微小但是系统的额外推进力。
5·"You're going to be going at a pretty good clip," Schmidt says, and the ship could maybe swing through the stars' gravity Wells in a kind of reverse slingshot effect to help decelerate.
“你可以来个漂亮的转身，”施密特说，让飞船以摇摆的姿势穿过星际重力区，然后利用反向的“弹弓效应”帮助减速。