| 单词 | ruddervator | 
| 释义 | Definition of ruddervator in English:ruddervator(also ruddevator) noun ˈrʌdəveɪtə Aeronautics 
 Origin1940s; earliest use found in Popular Science Monthly. From rudder + -vator. Definition of ruddervator in US English:ruddervator(also ruddevator) nounˈrʌdəveɪtə Aeronautics 
 Origin1940s; earliest use found in Popular Science Monthly. From rudder + -vator.  | 
	
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