a device in which accumulated tension is suddenly released to hurl an object some distance, in particular
弹射装置，弹射器，尤指：
〈主英〉 弹弓。
〈史〉 石弩，弩炮。
a mechanical device for launching a glider or other aircraft, especially from the deck of a ship
（尤指从船甲板发射滑翔机或其他飞机的）弹射器。
hurl or launch (something) in a specified direction with or as if with a catapult
用（或好像用）弹射器发射（某物）
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the plane was refuelled and catapulted back into the air again 飞机加完油再次被弹射上天
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the explosion catapulted the car 30 yards along the road 爆炸把汽车沿路抛出３０码远
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figurative 〈喻〉their music catapulted them to the top of the charts .他们的音乐使他们跃升流行榜首。
[no obj., with adverbial of direction]move suddenly or at great speed as though hurled by a catapult
（仿佛被弹射般地）突然（或快速）移动
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the horse catapulted away from the fence .马纵身跃离栅栏。
"late 16th cent.: from French