| 单词 | navy catapult | 
| 释义 | > as lemmasnavy catapult   navy catapult  n. rare a mechanical device for launching seaplanes or other aircraft from a ship. ΘΚΠ society > travel > air or space travel > airfield or airport > 			[noun]		 > catapult launcher navy catapult1914 catapult1927 1914    C. F. Tweney Dict. Naval & Mil. Terms 161  				Navy Catapult, a device for launching hydro-aeroplanes from a ship by means of compressed air. < as lemmas  | 
	
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