释义 |
slingshot /ˈslɪŋʃɒt /noun 1chiefly North American A handheld catapult.They offer youth, adult and competitive air rifles, air pistols, accessories, slingshots and Winchester air rifles....- The handful of remaining officers were vastly outnumbered by fighters wielding machetes, swords, slingshots, bows and arrows.
- Around lay many weapons, everything from slingshots to swords.
1.1A shot from a handheld catapult: you’ll get whizzed out the window like a slingshot...- A near-capacity 8,500 supporters gathered to see David aim his slingshots at Goliath.
- The complex would offer visitors the chance to slide down the Tower of Babel before climbing aboard Noah's Ark, parting the Red Sea and felling Goliath with a laser-guided slingshot.
- And every time, as the Romans fell back on the column, the Jews returned to resume the barrage of javelins and slingshot.
2 [mass noun, often as modifier] The effect of the gravitational pull of a celestial object in accelerating and changing the course of another object or a spacecraft: stars passing near a black hole might be ejected by a gravitational slingshot effect...- They are only one unpredictable gravitational slingshot away from a collision course.
- It uses a combination of Lorentz Force turning and gravitational slingshot (if feasible) to alter its trajectory so that it passes by a number of stars in succession, finally returning to Earth to begin the cycle again.
- Another study, made early in 2003, suggested that a close encounter between the second and third star, acting as a kind of gravitational slingshot, had hurled the third star out of the system.
verb (slingshots, slingshotting; past and past participle slingshot or slingshotted)Forcefully accelerate through the effect of gravity: [no object]: the car would hit the first dip, then slingshot off the second rise...- If they could launch a manned rocket that simply slingshotted around the moon and back, they could claim that at least in some pathetic way that they beat the Americans.
- On the final turn of the race, JJ took the high-line and slingshotted out of Turn 4.
- If we extend the path of travel by about five thousand kilometers and continue on double light, not triple, the gravity will help slingshot us around.
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